Search a number
-
+
52015025125 = 53728492249
BaseRepresentation
bin110000011100010101…
…100100101111100101
311222021000110001110001
4300130111210233211
51323011321301000
635521222301301
73520660263400
oct603425445745
9158230401401
1052015025125
1120072142278
12a0b7887831
134b9c377c9b
1427361bad37
15154672446a
hexc1c564be5

52015025125 has 24 divisors (see below), whose sum is σ = 75513087000. Its totient is φ = 35667441600.

The previous prime is 52015025107. The next prime is 52015025213. The reversal of 52015025125 is 52152051025.

52015025125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 89832484 + 51925192641 = 9478^2 + 227871^2 .

It is not a de Polignac number, because 52015025125 - 235 = 17655286757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52015025093 and 52015025102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4240000 + ... + 4252249.

It is an arithmetic number, because the mean of its divisors is an integer number (3146378625).

Almost surely, 252015025125 is an apocalyptic number.

It is an amenable number.

52015025125 is a deficient number, since it is larger than the sum of its proper divisors (23498061875).

52015025125 is an equidigital number, since it uses as much as digits as its factorization.

52015025125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8492278 (or 8492261 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 52015025125 in words is "fifty-two billion, fifteen million, twenty-five thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 49 125 175 245 875 1225 6125 8492249 42461245 59445743 212306225 297228715 416120201 1061531125 1486143575 2080601005 7430717875 10403005025 52015025125