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136796865 = 3519835783
BaseRepresentation
bin10000010011101…
…01101011000001
3100112102000000120
420021311223001
5240004444430
621324010453
73250516452
oct1011655301
9315360016
10136796865
1170244567
1239990a29
13224583ba
141424d129
15c022610
hex8275ac1

136796865 has 32 divisors (see below), whose sum is σ = 233210880. Its totient is φ = 68273856.

The previous prime is 136796861. The next prime is 136796873. The reversal of 136796865 is 568697631.

It is not a de Polignac number, because 136796865 - 22 = 136796861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136796861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20764 + ... + 26546.

It is an arithmetic number, because the mean of its divisors is an integer number (7287840).

Almost surely, 2136796865 is an apocalyptic number.

136796865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136796865 is a deficient number, since it is larger than the sum of its proper divisors (96414015).

136796865 is a wasteful number, since it uses less digits than its factorization.

136796865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893.

The product of its digits is 1632960, while the sum is 51.

The square root of 136796865 is about 11696.0191945807. The cubic root of 136796865 is about 515.2587570765.

The spelling of 136796865 in words is "one hundred thirty-six million, seven hundred ninety-six thousand, eight hundred sixty-five".

Divisors: 1 3 5 15 19 57 83 95 249 285 415 1245 1577 4731 5783 7885 17349 23655 28915 86745 109877 329631 479989 549385 1439967 1648155 2399945 7199835 9119791 27359373 45598955 136796865