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23743785128 = 2372659159457
BaseRepresentation
bin10110000111001111…
…010110100010101000
32021021202010020222012
4112013033112202220
5342111402111003
614524023415052
71500251562230
oct260717264250
967252106865
1023743785128
11a084825218
1247278b4488
1323151bbbcb
1412135c2cc0
1593e7808d8
hex5873d68a8

23743785128 has 32 divisors (see below), whose sum is σ = 50898993600. Its totient is φ = 10172017152.

The previous prime is 23743785113. The next prime is 23743785161. The reversal of 23743785128 is 82158734732.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 69176 + ... + 228632.

It is an arithmetic number, because the mean of its divisors is an integer number (1590593550).

Almost surely, 223743785128 is an apocalyptic number.

23743785128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

23743785128 is an abundant number, since it is smaller than the sum of its proper divisors (27155208472).

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

23743785128 is a wasteful number, since it uses less digits than its factorization.

23743785128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162129 (or 162125 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 50.

The spelling of 23743785128 in words is "twenty-three billion, seven hundred forty-three million, seven hundred eighty-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 2659 5318 10636 18613 21272 37226 74452 148904 159457 318914 637828 1116199 1275656 2232398 4464796 8929592 423996163 847992326 1695984652 2967973141 3391969304 5935946282 11871892564 23743785128