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136051816 = 23171000381
BaseRepresentation
bin10000001101111…
…11110001101000
3100111000011000011
420012333301220
5234312124231
621300021304
73241264345
oct1006776150
9314004004
10136051816
116a88581a
1239691834
1322257244
14140d77cc
15be269b1
hex81bfc68

136051816 has 16 divisors (see below), whose sum is σ = 270103140. Its totient is φ = 64024320.

The previous prime is 136051813. The next prime is 136051829. The reversal of 136051816 is 618150631.

136051816 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 2 ways, for example, as 135629316 + 422500 = 11646^2 + 650^2 .

It is not an unprimeable number, because it can be changed into a prime (136051813) 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, 500055 + ... + 500326.

Almost surely, 2136051816 is an apocalyptic number.

It is an amenable number.

136051816 is a deficient number, since it is larger than the sum of its proper divisors (134051324).

136051816 is a wasteful number, since it uses less digits than its factorization.

136051816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000404 (or 1000400 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 136051816 is about 11664.1251707961. The cubic root of 136051816 is about 514.3216203914.

The spelling of 136051816 in words is "one hundred thirty-six million, fifty-one thousand, eight hundred sixteen".

Divisors: 1 2 4 8 17 34 68 136 1000381 2000762 4001524 8003048 17006477 34012954 68025908 136051816