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131213333114240 = 2751346733770521
BaseRepresentation
bin11101110101011001111100…
…000111000010110110000000
3122012120212112210022210001012
4131311121330013002312000
5114144244401234123430
61143022323441300052
736431564500050626
oct3565317407026600
9565525483283035
10131213333114240
11388992979003a3
1212872033934628
13582a497264cb0
142458a8b3a5516
15102825ea86695
hex77567c1c2d80

131213333114240 has 128 divisors (see below), whose sum is σ = 338534624020320. Its totient is φ = 48344255447040.

The previous prime is 131213333114233. The next prime is 131213333114249. The reversal of 131213333114240 is 42411333312131.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1312133331142402 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 131213333114197 and 131213333114206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131213333114249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12999821 + ... + 20770700.

Almost surely, 2131213333114240 is an apocalyptic number.

131213333114240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131213333114240 is an abundant number, since it is smaller than the sum of its proper divisors (207321290906080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131213333114240 is a wasteful number, since it uses less digits than its factorization.

131213333114240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33771020 (or 33771008 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 131213333114240 its reverse (42411333312131), we get a palindrome (173624666426371).

The spelling of 131213333114240 in words is "one hundred thirty-one trillion, two hundred thirteen billion, three hundred thirty-three million, one hundred fourteen thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 260 320 416 467 520 640 832 934 1040 1664 1868 2080 2335 3736 4160 4670 6071 7472 8320 9340 12142 14944 18680 24284 29888 30355 37360 48568 59776 60710 74720 97136 121420 149440 194272 242840 298880 388544 485680 777088 971360 1942720 3885440 33770521 67541042 135082084 168852605 270164168 337705210 439016773 540328336 675410420 878033546 1080656672 1350820840 1756067092 2161313344 2195083865 2701641680 3512134184 4322626688 4390167730 5403283360 7024268368 8780335460 10806566720 14048536736 15770833307 17560670920 21613133440 28097073472 31541666614 35121341840 56194146944 63083333228 70242683680 78854166535 126166666456 140485367360 157708333070 205020832991 252333332912 280970734720 315416666140 410041665982 504666665824 630833332280 820083331964 1009333331648 1025104164955 1261666664560 1640166663928 2018666663296 2050208329910 2523333329120 3280333327856 4100416659820 5046666658240 6560666655712 8200833319640 10093333316480 13121333311424 16401666639280 26242666622848 32803333278560 65606666557120 131213333114240