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23985711212064 = 2537311637063729
BaseRepresentation
bin1010111010000100110111…
…10010111110011000100000
310010221000022110021120102220
411131002123302332120200
511120440214032241224
6123002514505511040
75023624166235120
oct535023362763040
9103830273246386
1023985711212064
117708312744858
1228347121a2480
13104cac59c9c64
145cccb39ccc80
152b8dcb6b6279
hex15d09bcbe620

23985711212064 has 192 divisors, whose sum is σ = 74734037360640. Its totient is φ = 6591305871360.

The previous prime is 23985711212051. The next prime is 23985711212077. The reversal of 23985711212064 is 46021211758932.

It is an interprime number because it is at equal distance from previous prime (23985711212051) and next prime (23985711212077).

It is a junction number, because it is equal to n+sod(n) for n = 23985711211998 and 23985711212016.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136249 + ... + 6927480.

It is an arithmetic number, because the mean of its divisors is an integer number (389239777920).

It is a 1-persistent number, because it is pandigital, but 2⋅23985711212064 = 47971422424128 is not.

Almost surely, 223985711212064 is an apocalyptic number.

23985711212064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23985711212064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37367018680320).

23985711212064 is an abundant number, since it is smaller than the sum of its proper divisors (50748326148576).

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

23985711212064 is a wasteful number, since it uses less digits than its factorization.

23985711212064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7063943 (or 7063935 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 23985711212064 in words is "twenty-three trillion, nine hundred eighty-five billion, seven hundred eleven million, two hundred twelve thousand, sixty-four".