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23134215200 = 2552193269557
BaseRepresentation
bin10101100010111010…
…000001110000100000
32012201021002220020012
4111202322001300200
5334334324341300
614343330304052
71446200404355
oct254272016040
965637086205
1023134215200
1198a1730318
124597728028
132248b22445
14119666862c
15905ec2435
hex562e81c20

23134215200 has 144 divisors (see below), whose sum is σ = 57082362120. Its totient is φ = 9155051520.

The previous prime is 23134215197. The next prime is 23134215227. The reversal of 23134215200 is 251243132.

It can be written as a sum of positive squares in 12 ways, for example, as 3342227344 + 19791987856 = 57812^2 + 140684^2 .

It is a super-2 number, since 2×231342152002 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41533322 + ... + 41533878.

Almost surely, 223134215200 is an apocalyptic number.

23134215200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23134215200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28541181060).

23134215200 is an abundant number, since it is smaller than the sum of its proper divisors (33948146920).

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

23134215200 is a wasteful number, since it uses less digits than its factorization.

23134215200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1026 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 23134215200 its reverse (251243132), we get a palindrome (23385458332).

The spelling of 23134215200 in words is "twenty-three billion, one hundred thirty-four million, two hundred fifteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 193 200 269 386 400 538 557 772 800 965 1076 1114 1345 1544 1930 2152 2228 2690 2785 3088 3860 4304 4456 4825 5380 5570 6176 6725 7720 8608 8912 9650 10760 11140 13450 13925 15440 17824 19300 21520 22280 26900 27850 30880 38600 43040 44560 51917 53800 55700 77200 89120 103834 107501 107600 111400 149833 154400 207668 215002 215200 222800 259585 299666 415336 430004 445600 519170 537505 599332 749165 830672 860008 1038340 1075010 1198664 1297925 1498330 1661344 1720016 2076680 2150020 2397328 2595850 2687525 2996660 3440032 3745825 4153360 4300040 4794656 5191700 5375050 5993320 7491650 8306720 8600080 10383400 10750100 11986640 14983300 17200160 20766800 21500200 23973280 28917769 29966600 41533600 43000400 57835538 59933200 86000800 115671076 119866400 144588845 231342152 289177690 462684304 578355380 722944225 925368608 1156710760 1445888450 2313421520 2891776900 4626843040 5783553800 11567107600 23134215200