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13131551550104 = 2313472686487633
BaseRepresentation
bin1011111100010110110101…
…1101110010101010011000
31201111100211101221200111222
42333011231131302222120
53210121404144100404
643532315042511212
72523503042335421
oct277055535625230
951440741850458
1013131551550104
114203072569439
121580b96065508
137433b9131020
143357db5b2648
1517b8ad828dbe
hexbf16d772a98

13131551550104 has 32 divisors (see below), whose sum is σ = 27079795350720. Its totient is φ = 5931764691456.

The previous prime is 13131551550101. The next prime is 13131551550121. The reversal of 13131551550104 is 40105515513131.

It is a happy number.

It is a super-2 number, since 2×131315515501042 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131551550101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343238929 + ... + 1343248704.

It is an arithmetic number, because the mean of its divisors is an integer number (846243604710).

Almost surely, 213131551550104 is an apocalyptic number.

It is an amenable number.

13131551550104 is an abundant number, since it is smaller than the sum of its proper divisors (13948243800616).

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

13131551550104 is a wasteful number, since it uses less digits than its factorization.

13131551550104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686487699 (or 2686487695 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 13131551550104 in words is "thirteen trillion, one hundred thirty-one billion, five hundred fifty-one million, five hundred fifty thousand, one hundred four".

Divisors: 1 2 4 8 13 26 47 52 94 104 188 376 611 1222 2444 4888 2686487633 5372975266 10745950532 21491901064 34924339229 69848678458 126264918751 139697356916 252529837502 279394713832 505059675004 1010119350008 1641443943763 3282887887526 6565775775052 13131551550104