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15125265140 = 2255991262543
BaseRepresentation
bin11100001011000100…
…10011101011110100
31110001002212002011012
432011202103223310
5221434031441030
610540510531352
71043550426626
oct160542235364
943032762135
1015125265140
1164618aa627
122b21506b58
13157079763b
14a36b10c16
155d7d0a095
hex385893af4

15125265140 has 24 divisors (see below), whose sum is σ = 31816108800. Its totient is φ = 6040000928.

The previous prime is 15125265139. The next prime is 15125265151. The reversal of 15125265140 is 4156252151.

15125265140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 15125265097 and 15125265106.

It is a congruent number.

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, 619292 + ... + 643251.

It is an arithmetic number, because the mean of its divisors is an integer number (1325671200).

Almost surely, 215125265140 is an apocalyptic number.

15125265140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15125265140 is an abundant number, since it is smaller than the sum of its proper divisors (16690843660).

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

15125265140 is a wasteful number, since it uses less digits than its factorization.

15125265140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263151 (or 1263149 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 15125265140 in words is "fifteen billion, one hundred twenty-five million, two hundred sixty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 599 1198 2396 2995 5990 11980 1262543 2525086 5050172 6312715 12625430 25250860 756263257 1512526514 3025053028 3781316285 7562632570 15125265140