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136868683 = 7176731709
BaseRepresentation
bin10000010100001…
…11001101001011
3100112112122112111
420022013031023
5240014244213
621325323151
73251236030
oct1012071513
9315478474
10136868683
1170293516
1239a064b7
1322481cb3
141426b387
15c038a3d
hex828734b

136868683 has 16 divisors (see below), whose sum is σ = 165965760. Its totient is φ = 110186496.

The previous prime is 136868681. The next prime is 136868707. The reversal of 136868683 is 386868631.

It is a happy number.

It is not a de Polignac number, because 136868683 - 21 = 136868681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136868681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79233 + ... + 80941.

It is an arithmetic number, because the mean of its divisors is an integer number (10372860).

Almost surely, 2136868683 is an apocalyptic number.

136868683 is a deficient number, since it is larger than the sum of its proper divisors (29097077).

136868683 is a wasteful number, since it uses less digits than its factorization.

136868683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406.

The product of its digits is 995328, while the sum is 49.

The square root of 136868683 is about 11699.0889816259. The cubic root of 136868683 is about 515.3489111393.

The spelling of 136868683 in words is "one hundred thirty-six million, eight hundred sixty-eight thousand, six hundred eighty-three".

Divisors: 1 7 17 119 673 1709 4711 11441 11963 29053 80087 203371 1150157 8051099 19552669 136868683