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189653013 = 32111915687
BaseRepresentation
bin10110100110111…
…10000000010101
3111012212101000200
423103132000111
5342022344023
630452531113
74462011144
oct1323360025
9435771020
10189653013
1198066130
1253620a99
13303a3824
141b28b75b
15119b3743
hexb4de015

189653013 has 12 divisors (see below), whose sum is σ = 298847328. Its totient is φ = 114941160.

The previous prime is 189652987. The next prime is 189653021. The reversal of 189653013 is 310356981.

It is a happy number.

It is not a de Polignac number, because 189653013 - 216 = 189587477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189653033) 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 11 ways as a sum of consecutive naturals, for example, 957745 + ... + 957942.

It is an arithmetic number, because the mean of its divisors is an integer number (24903944).

Almost surely, 2189653013 is an apocalyptic number.

It is an amenable number.

189653013 is a deficient number, since it is larger than the sum of its proper divisors (109194315).

189653013 is a wasteful number, since it uses less digits than its factorization.

189653013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915704 (or 1915701 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 189653013 is about 13771.4564589226. The cubic root of 189653013 is about 574.5395310326.

The spelling of 189653013 in words is "one hundred eighty-nine million, six hundred fifty-three thousand, thirteen".

Divisors: 1 3 9 11 33 99 1915687 5747061 17241183 21072557 63217671 189653013