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23000021044 = 22711135744261
BaseRepresentation
bin10101011010111010…
…000111100000110100
32012100220121010110021
4111122322013200310
5334101001133134
614322134134524
71442650644640
oct253272074064
965326533407
1023000021044
119832a04260
12455a7b1444
132227098910
1411828d5c20
158e93160b4
hex55ae87834

23000021044 has 48 divisors (see below), whose sum is σ = 54042016896. Its totient is φ = 8271734400.

The previous prime is 23000021041. The next prime is 23000021047. The reversal of 23000021044 is 44012000032.

It is an interprime number because it is at equal distance from previous prime (23000021041) and next prime (23000021047).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000021041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2868127 + ... + 2876134.

It is an arithmetic number, because the mean of its divisors is an integer number (1125875352).

Almost surely, 223000021044 is an apocalyptic number.

It is an amenable number.

23000021044 is an abundant number, since it is smaller than the sum of its proper divisors (31041995852).

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

23000021044 is a wasteful number, since it uses less digits than its factorization.

23000021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744296 (or 5744294 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 23000021044 its reverse (44012000032), we get a palindrome (67012021076).

The spelling of 23000021044 in words is "twenty-three billion, twenty-one thousand, forty-four".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 5744261 11488522 22977044 40209827 63186871 74675393 80419654 126373742 149350786 160839308 252747484 298701572 442308097 522727751 821429323 884616194 1045455502 1642858646 1769232388 2090911004 3285717292 5750005261 11500010522 23000021044