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118649310125 = 53308092
BaseRepresentation
bin110111010000000001…
…1001100101110101101
3102100020212121110022112
41232200003030232231
53420443210411000
6130301242253405
711400145332023
oct1564003145655
9370225543275
10118649310125
11463564958a5
121abb34b7265
13b25b411ca8
145a57bcc713
153146601235
hex1ba00ccbad

118649310125 has 12 divisors (see below), whose sum is σ = 148079145396. Its totient is φ = 94916367200.

The previous prime is 118649310067. The next prime is 118649310139. The reversal of 118649310125 is 521013946811.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 5733821284 + 112915488841 = 75722^2 + 336029^2 .

It is not a de Polignac number, because 118649310125 - 26 = 118649310061 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 11 ways as a sum of consecutive naturals, for example, 3835721 + ... + 3866529.

It is an arithmetic number, because the mean of its divisors is an integer number (12339928783).

Almost surely, 2118649310125 is an apocalyptic number.

It is an amenable number.

118649310125 is a deficient number, since it is larger than the sum of its proper divisors (29429835271).

118649310125 is an frugal number, since it uses more digits than its factorization.

118649310125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61633 (or 30814 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 118649310125 in words is "one hundred eighteen billion, six hundred forty-nine million, three hundred ten thousand, one hundred twenty-five".

Divisors: 1 5 25 125 30809 154045 770225 3851125 949194481 4745972405 23729862025 118649310125