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12383871200525 = 521145032258911
BaseRepresentation
bin1011010000110101100000…
…1111100110110100001101
31121211212221021110120022202
42310031120033212310031
53110344132011404100
642201023310051245
72415463605252356
oct264153017466415
947755837416282
1012383871200525
113a44a7449a460
1214800b14a9b25
136baa426897a6
1430b54da82d2d
151671ed8807d5
hexb43583e6d0d

12383871200525 has 12 divisors (see below), whose sum is σ = 16752000315264. Its totient is φ = 9006451782000.

The previous prime is 12383871200507. The next prime is 12383871200527. The reversal of 12383871200525 is 52500217838321.

12383871200525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12383871200525 - 212 = 12383871196429 is a prime.

It is a super-2 number, since 2×123838712005252 (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12383871200525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12383871200527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22516129181 + ... + 22516129730.

It is an arithmetic number, because the mean of its divisors is an integer number (1396000026272).

Almost surely, 212383871200525 is an apocalyptic number.

It is an amenable number.

12383871200525 is a deficient number, since it is larger than the sum of its proper divisors (4368129114739).

12383871200525 is a wasteful number, since it uses less digits than its factorization.

12383871200525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45032258932 (or 45032258927 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 12383871200525 in words is "twelve trillion, three hundred eighty-three billion, eight hundred seventy-one million, two hundred thousand, five hundred twenty-five".

Divisors: 1 5 11 25 55 275 45032258911 225161294555 495354848021 1125806472775 2476774240105 12383871200525