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13193881382 = 211254520171
BaseRepresentation
bin11000100100110101…
…01010011100100110
31021001111121121201102
430102122222130212
5204010113201012
610021114400102
7644646066323
oct142232523446
937044547642
1013193881382
115660669400
122682730032
1313235c6006
148d23d7b4a
1552349d2c2
hex3126aa726

13193881382 has 12 divisors (see below), whose sum is σ = 21753548628. Its totient is φ = 5997218700.

The previous prime is 13193881369. The next prime is 13193881397. The reversal of 13193881382 is 28318839131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27259844 + ... + 27260327.

It is an arithmetic number, because the mean of its divisors is an integer number (1812795719).

Almost surely, 213193881382 is an apocalyptic number.

13193881382 is a deficient number, since it is larger than the sum of its proper divisors (8559667246).

13193881382 is a wasteful number, since it uses less digits than its factorization.

13193881382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54520195 (or 54520184 counting only the distinct ones).

The product of its digits is 248832, while the sum is 47.

The spelling of 13193881382 in words is "thirteen billion, one hundred ninety-three million, eight hundred eighty-one thousand, three hundred eighty-two".

Divisors: 1 2 11 22 121 242 54520171 109040342 599721881 1199443762 6596940691 13193881382