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23030861124 = 22323314615839
BaseRepresentation
bin10101011100101111…
…110000110101000100
32012110001121222002110
4111130233300311010
5334131400023444
614325155141020
71443504042465
oct253457606504
965401558073
1023030861124
119849358927
124568ba4770
1322305a609b
141186a42d6c
158ebda8cb9
hex55cbf0d44

23030861124 has 96 divisors (see below), whose sum is σ = 58019512320. Its totient is φ = 7089667200.

The previous prime is 23030861123. The next prime is 23030861137. The reversal of 23030861124 is 42116803032.

It is a super-2 number, since 2×230308611242 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23030861091 and 23030861100.

It is not an unprimeable number, because it can be changed into a prime (23030861123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3941397 + ... + 3947235.

It is an arithmetic number, because the mean of its divisors is an integer number (604369920).

Almost surely, 223030861124 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 23030861124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29009756160).

23030861124 is an abundant number, since it is smaller than the sum of its proper divisors (34988651196).

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

23030861124 is a wasteful number, since it uses less digits than its factorization.

23030861124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6361 (or 6359 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 23030861124 in words is "twenty-three billion, thirty million, eight hundred sixty-one thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 23 31 46 62 69 92 93 124 138 186 276 372 461 713 922 1383 1426 1844 2139 2766 2852 4278 5532 5839 8556 10603 11678 14291 17517 21206 23356 28582 31809 35034 42412 42873 57164 63618 70068 85746 127236 134297 171492 181009 268594 328693 362018 402891 537188 543027 657386 724036 805782 986079 1086054 1314772 1611564 1972158 2172108 2691779 3944316 4163207 5383558 8075337 8326414 10767116 12489621 16150674 16652828 24979242 32301348 49958484 61910917 83445149 123821834 166890298 185732751 247643668 250335447 333780596 371465502 500670894 742931004 1001341788 1919238427 3838476854 5757715281 7676953708 11515430562 23030861124