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23136585304 = 2371921497681
BaseRepresentation
bin10101100011000011…
…000100011001011000
32012201102120022101211
4111203003010121120
5334340431212204
614343453152504
71446226505320
oct254303043130
965642508354
1023136585304
1198a2aa9a88
12459848b734
132249472181
141196ac4280
159062de804
hex5630c4658

23136585304 has 96 divisors (see below), whose sum is σ = 52683156000. Its totient is φ = 9329541120.

The previous prime is 23136585301. The next prime is 23136585317. The reversal of 23136585304 is 40358563132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23136585301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3008344 + ... + 3016024.

It is an arithmetic number, because the mean of its divisors is an integer number (548782875).

Almost surely, 223136585304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23136585304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26341578000).

23136585304 is an abundant number, since it is smaller than the sum of its proper divisors (29546570696).

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

23136585304 is a wasteful number, since it uses less digits than its factorization.

23136585304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7881 (or 7858 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 23136585304 in words is "twenty-three billion, one hundred thirty-six million, five hundred eighty-five thousand, three hundred four".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 149 152 266 298 361 532 596 722 1043 1064 1192 1444 2086 2527 2831 2888 4172 5054 5662 7681 8344 10108 11324 15362 19817 20216 22648 30724 39634 53767 53789 61448 79268 107534 107578 145939 158536 215068 215156 291878 376523 430136 430312 583756 753046 1021573 1144469 1167512 1506092 2043146 2288938 2772841 3012184 4086292 4577876 5545682 8011283 8172584 9155752 11091364 16022566 19409887 21744911 22182728 32045132 38819774 43489822 64090264 77639548 86979644 152214377 155279096 173959288 304428754 413153309 608857508 826306618 1217715016 1652613236 2892073163 3305226472 5784146326 11568292652 23136585304