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136982653 = 1087126019
BaseRepresentation
bin10000010101000…
…11000001111101
3100112202102212121
420022203001331
5240031421103
621332002541
73252222223
oct1012430175
9315672777
10136982653
1170361105
1239a60451
13224c1b32
141429ab13
15c05c6bd
hex82a307d

136982653 has 4 divisors (see below), whose sum is σ = 137109760. Its totient is φ = 136855548.

The previous prime is 136982623. The next prime is 136982663. The reversal of 136982653 is 356289631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-136982653 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 (136982623) 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, 61923 + ... + 64096.

It is an arithmetic number, because the mean of its divisors is an integer number (34277440).

Almost surely, 2136982653 is an apocalyptic number.

It is an amenable number.

136982653 is a deficient number, since it is larger than the sum of its proper divisors (127107).

136982653 is a wasteful number, since it uses less digits than its factorization.

136982653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127106.

The product of its digits is 233280, while the sum is 43.

The square root of 136982653 is about 11703.9588601464. The cubic root of 136982653 is about 515.4919144401.

The spelling of 136982653 in words is "one hundred thirty-six million, nine hundred eighty-two thousand, six hundred fifty-three".

Divisors: 1 1087 126019 136982653