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13013123193 = 327449460039
BaseRepresentation
bin11000001111010010…
…01000000001111001
31020120220111011002200
430013221020001321
5203122324420233
65551140220413
7640322502450
oct140751100171
936526434080
1013013123193
115578629074
12263209a709
1312c5017cc5
148b63c3b97
15512695313
hex307a48079

13013123193 has 24 divisors (see below), whose sum is σ = 21529872000. Its totient is φ = 7419492864.

The previous prime is 13013123191. The next prime is 13013123243. The reversal of 13013123193 is 39132131031.

13013123193 is a `hidden beast` number, since 1 + 30 + 1 + 312 + 319 + 3 = 666.

It is not a de Polignac number, because 13013123193 - 21 = 13013123191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13013123191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201733 + ... + 258306.

It is an arithmetic number, because the mean of its divisors is an integer number (897078000).

Almost surely, 213013123193 is an apocalyptic number.

It is an amenable number.

13013123193 is a deficient number, since it is larger than the sum of its proper divisors (8516748807).

13013123193 is a wasteful number, since it uses less digits than its factorization.

13013123193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460501 (or 460498 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The spelling of 13013123193 in words is "thirteen billion, thirteen million, one hundred twenty-three thousand, one hundred ninety-three".

Divisors: 1 3 7 9 21 63 449 1347 3143 4041 9429 28287 460039 1380117 3220273 4140351 9660819 28982457 206557511 619672533 1445902577 1859017599 4337707731 13013123193