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136310631 = 3109141647
BaseRepresentation
bin10000001111111…
…10111101100111
3100111111022000220
420013332331213
5234343420011
621305335423
73243423042
oct1007767547
9314438026
10136310631
116aa42216
1239797573
1322317ca2
1414163c59
15be78506
hex81fef67

136310631 has 8 divisors (see below), whose sum is σ = 181918464. Its totient is φ = 90788280.

The previous prime is 136310623. The next prime is 136310653. The reversal of 136310631 is 136013631.

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

It is not a de Polignac number, because 136310631 - 23 = 136310623 is a prime.

It is a super-2 number, since 2×1363106312 = 37161176247236322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136310621) 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, 17551 + ... + 24096.

It is an arithmetic number, because the mean of its divisors is an integer number (22739808).

Almost surely, 2136310631 is an apocalyptic number.

136310631 is a deficient number, since it is larger than the sum of its proper divisors (45607833).

136310631 is a wasteful number, since it uses less digits than its factorization.

136310631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42741.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 136310631 is about 11675.2143877532. The cubic root of 136310631 is about 514.6475497182.

The spelling of 136310631 in words is "one hundred thirty-six million, three hundred ten thousand, six hundred thirty-one".

Divisors: 1 3 1091 3273 41647 124941 45436877 136310631