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23017023612 = 22331119374599
BaseRepresentation
bin10101011011111010…
…111110100001111100
32012102002120221121000
4111123322332201330
5334114324223422
614323542410300
71443245321052
oct253372764174
965362527530
1023017023612
119841567570
124564430990
13222a76c8cb
141184c801d2
158eaa73cac
hex55bebe87c

23017023612 has 48 divisors (see below), whose sum is σ = 65098656000. Its totient is φ = 6974855280.

The previous prime is 23017023587. The next prime is 23017023671. The reversal of 23017023612 is 21632071032.

23017023612 is a `hidden beast` number, since 2 + 30 + 17 + 0 + 2 + 3 + 612 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9686112 + ... + 9688487.

It is an arithmetic number, because the mean of its divisors is an integer number (1356222000).

Almost surely, 223017023612 is an apocalyptic number.

23017023612 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23017023612 is an abundant number, since it is smaller than the sum of its proper divisors (42081632388).

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

23017023612 is a wasteful number, since it uses less digits than its factorization.

23017023612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19374623 (or 19374615 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

Adding to 23017023612 its reverse (21632071032), we get a palindrome (44649094644).

The spelling of 23017023612 in words is "twenty-three billion, seventeen million, twenty-three thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 132 198 297 396 594 1188 19374599 38749198 58123797 77498396 116247594 174371391 213120589 232495188 348742782 426241178 523114173 639361767 697485564 852482356 1046228346 1278723534 1918085301 2092456692 2557447068 3836170602 5754255903 7672341204 11508511806 23017023612