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136113805 = 5531732969
BaseRepresentation
bin10000001110011…
…10111010001101
3100111010022001001
420013032322031
5234321120210
621301220301
73241643152
oct1007167215
9314108031
10136113805
116a918353
1239701691
1322279519
1414112229
15be3a03a
hex81cee8d

136113805 has 16 divisors (see below), whose sum is σ = 167436720. Its totient is φ = 106183168.

The previous prime is 136113799. The next prime is 136113827. The reversal of 136113805 is 508311631.

136113805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 670761 + 135443044 = 819^2 + 11638^2 .

It is not a de Polignac number, because 136113805 - 23 = 136113797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44361 + ... + 47329.

It is an arithmetic number, because the mean of its divisors is an integer number (10464795).

Almost surely, 2136113805 is an apocalyptic number.

It is an amenable number.

136113805 is a deficient number, since it is larger than the sum of its proper divisors (31322915).

136113805 is a wasteful number, since it uses less digits than its factorization.

136113805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 136113805 is about 11666.7821184764. The cubic root of 136113805 is about 514.3997216201.

The spelling of 136113805 in words is "one hundred thirty-six million, one hundred thirteen thousand, eight hundred five".

Divisors: 1 5 53 173 265 865 2969 9169 14845 45845 157357 513637 786785 2568185 27222761 136113805