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125250264013 = 721728844733
BaseRepresentation
bin111010010100101111…
…1110101101111001101
3102222021220110122202011
41310221133311233031
54023003031422023
6133312243501221
712022550451400
oct1645137655715
9388256418664
10125250264013
1149133566196
1220336087811
13ba70b4b874
1460c2751d37
1533d0d9450d
hex1d297f5bcd

125250264013 has 18 divisors (see below), whose sum is σ = 154774000266. Its totient is φ = 101042218368.

The previous prime is 125250264011. The next prime is 125250264023. The reversal of 125250264013 is 310462052521.

It can be written as a sum of positive squares in 3 ways, for example, as 87650339364 + 37599924649 = 296058^2 + 193907^2 .

It is not a de Polignac number, because 125250264013 - 21 = 125250264011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125250264011) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4408206 + ... + 4436527.

Almost surely, 2125250264013 is an apocalyptic number.

It is an amenable number.

125250264013 is a deficient number, since it is larger than the sum of its proper divisors (29523736253).

125250264013 is an equidigital number, since it uses as much as digits as its factorization.

125250264013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8844781 (or 8844757 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 125250264013 in words is "one hundred twenty-five billion, two hundred fifty million, two hundred sixty-four thousand, thirteen".

Divisors: 1 7 17 49 119 289 833 2023 14161 8844733 61913131 150360461 433391917 1052523227 2556127837 7367662589 17892894859 125250264013