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136980903 = 3337313537
BaseRepresentation
bin10000010101000…
…10100110100111
3100112202100110210
420022202212213
5240031342103
621331550503
73252214143
oct1012424647
9315670423
10136980903
117035a864
1239a5b433
13224c10b7
141429a223
15c05be03
hex82a29a7

136980903 has 8 divisors (see below), whose sum is σ = 182708848. Its totient is φ = 91286784.

The previous prime is 136980901. The next prime is 136980911. The reversal of 136980903 is 309089631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136980903 - 21 = 136980901 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 (136980901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3351 + ... + 16887.

It is an arithmetic number, because the mean of its divisors is an integer number (22838606).

Almost surely, 2136980903 is an apocalyptic number.

136980903 is a deficient number, since it is larger than the sum of its proper divisors (45727945).

136980903 is a wasteful number, since it uses less digits than its factorization.

136980903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16913.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 136980903 is about 11703.8840988793. The cubic root of 136980903 is about 515.4897192359.

The spelling of 136980903 in words is "one hundred thirty-six million, nine hundred eighty thousand, nine hundred three".

Divisors: 1 3 3373 10119 13537 40611 45660301 136980903