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125000013875 = 531190909101
BaseRepresentation
bin111010001101010010…
…1001101100000110011
3102221122110120122002112
41310122211031200303
54022000000421000
6133231344035535
712013421405222
oct1643245154063
9387573518075
10125000013875
11490152815a0
1220286302bab
13ba3104c369
14609b40ccb9
1533b8e11235
hex1d1a94d833

125000013875 has 16 divisors (see below), whose sum is σ = 170181838944. Its totient is φ = 90909100000.

The previous prime is 125000013863. The next prime is 125000013911. The reversal of 125000013875 is 578310000521.

It is not a de Polignac number, because 125000013875 - 214 = 124999997491 is a prime.

It is a Duffinian number.

125000013875 is a modest number, since divided by 13875 gives 125 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45453176 + ... + 45455925.

It is an arithmetic number, because the mean of its divisors is an integer number (10636364934).

Almost surely, 2125000013875 is an apocalyptic number.

125000013875 is a deficient number, since it is larger than the sum of its proper divisors (45181825069).

125000013875 is an equidigital number, since it uses as much as digits as its factorization.

125000013875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90909127 (or 90909117 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 125000013875 in words is "one hundred twenty-five billion, thirteen thousand, eight hundred seventy-five".

Divisors: 1 5 11 25 55 125 275 1375 90909101 454545505 1000000111 2272727525 5000000555 11363637625 25000002775 125000013875