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136172103 = 345390701
BaseRepresentation
bin10000001110111…
…01001001000111
3100111020021000020
420013131021013
5234330001403
621302350223
73242305134
oct1007351107
9314207006
10136172103
116a958131
123972b373
1322299c12
141412958b
15be4c453
hex81dd247

136172103 has 4 divisors (see below), whose sum is σ = 181562808. Its totient is φ = 90781400.

The previous prime is 136172087. The next prime is 136172123. The reversal of 136172103 is 301271631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136172103 - 24 = 136172087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136172123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22695348 + ... + 22695353.

It is an arithmetic number, because the mean of its divisors is an integer number (45390702).

Almost surely, 2136172103 is an apocalyptic number.

136172103 is a deficient number, since it is larger than the sum of its proper divisors (45390705).

136172103 is an equidigital number, since it uses as much as digits as its factorization.

136172103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45390704.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 136172103 is about 11669.2803119987. The cubic root of 136172103 is about 514.4731508474.

The spelling of 136172103 in words is "one hundred thirty-six million, one hundred seventy-two thousand, one hundred three".

Divisors: 1 3 45390701 136172103