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13154645125 = 53105237161
BaseRepresentation
bin11000100000001001…
…11111010010000101
31020221202210012200201
430100010333102011
5203420042121000
610013153410501
7643661432026
oct142004772205
936852705621
1013154645125
1156404aa646
122671569a31
131318438cab
148cb102c4d
1551ecec96a
hex31013f485

13154645125 has 8 divisors (see below), whose sum is σ = 16416997272. Its totient is φ = 10523716000.

The previous prime is 13154645107. The next prime is 13154645159. The reversal of 13154645125 is 52154645131.

It can be written as a sum of positive squares in 4 ways, for example, as 122367844 + 13032277281 = 11062^2 + 114159^2 .

It is a de Polignac number, because none of the positive numbers 2k-13154645125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52618456 + ... + 52618705.

It is an arithmetic number, because the mean of its divisors is an integer number (2052124659).

Almost surely, 213154645125 is an apocalyptic number.

It is an amenable number.

13154645125 is a deficient number, since it is larger than the sum of its proper divisors (3262352147).

13154645125 is an equidigital number, since it uses as much as digits as its factorization.

13154645125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105237176 (or 105237166 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

It can be divided in two parts, 131546 and 45125, that added together give a palindrome (176671).

The spelling of 13154645125 in words is "thirteen billion, one hundred fifty-four million, six hundred forty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 105237161 526185805 2630929025 13154645125