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23126831952 = 2437411678777
BaseRepresentation
bin10101100010011101…
…110111001101010000
32012200202012210022120
4111202131313031100
5334330432110302
614342504134240
71446050554020
oct254235671520
965622183276
1023126831952
119898548164
124595167380
132247438963
1411956a5a80
159055149bc
hex562777350

23126831952 has 80 divisors (see below), whose sum is σ = 69944606592. Its totient is φ = 6446499840.

The previous prime is 23126831951. The next prime is 23126831963. The reversal of 23126831952 is 25913862132.

It is a super-2 number, since 2×231268319522 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23126831951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825613 + ... + 853164.

Almost surely, 223126831952 is an apocalyptic number.

It is an amenable number.

23126831952 is an abundant number, since it is smaller than the sum of its proper divisors (46817774640).

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

23126831952 is a wasteful number, since it uses less digits than its factorization.

23126831952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678836 (or 1678830 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The spelling of 23126831952 in words is "twenty-three billion, one hundred twenty-six million, eight hundred thirty-one thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 41 42 48 56 82 84 112 123 164 168 246 287 328 336 492 574 656 861 984 1148 1722 1968 2296 3444 4592 6888 13776 1678777 3357554 5036331 6715108 10072662 11751439 13430216 20145324 23502878 26860432 35254317 40290648 47005756 68829857 70508634 80581296 94011512 137659714 141017268 188023024 206489571 275319428 282034536 412979142 481808999 550638856 564069072 825958284 963617998 1101277712 1445426997 1651916568 1927235996 2890853994 3303833136 3854471992 5781707988 7708943984 11563415976 23126831952