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136415613 = 345471871
BaseRepresentation
bin10000010000110…
…00100101111101
3100111200122001010
420020120211331
5234410244423
621311505433
73244341105
oct1010304575
9314618033
10136415613
1170004084
1239828279
13223539c9
1414190205
15be99693
hex821897d

136415613 has 4 divisors (see below), whose sum is σ = 181887488. Its totient is φ = 90943740.

The previous prime is 136415533. The next prime is 136415621. The reversal of 136415613 is 316514631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 136415613 - 213 = 136407421 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 (136415663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22735933 + ... + 22735938.

It is an arithmetic number, because the mean of its divisors is an integer number (45471872).

Almost surely, 2136415613 is an apocalyptic number.

It is an amenable number.

136415613 is a deficient number, since it is larger than the sum of its proper divisors (45471875).

136415613 is an equidigital number, since it uses as much as digits as its factorization.

136415613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45471874.

The product of its digits is 6480, while the sum is 30.

The square root of 136415613 is about 11679.7094570028. The cubic root of 136415613 is about 514.7796373972.

The spelling of 136415613 in words is "one hundred thirty-six million, four hundred fifteen thousand, six hundred thirteen".

Divisors: 1 3 45471871 136415613