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13147894524 = 2232347637299
BaseRepresentation
bin11000011111010110…
…01111001011111100
31020221022002020121110
430033223033023330
5203411330111044
610012353002020
7643550155002
oct141753171374
936838066543
1013147894524
115637709836
12266b253310
131316c1445b
148ca266a72
1551e4176b9
hex30facf2fc

13147894524 has 24 divisors (see below), whose sum is σ = 32012265600. Its totient is φ = 4192082224.

The previous prime is 13147894511. The next prime is 13147894549. The reversal of 13147894524 is 42549874131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23818374 + ... + 23818925.

It is an arithmetic number, because the mean of its divisors is an integer number (1333844400).

Almost surely, 213147894524 is an apocalyptic number.

It is an amenable number.

13147894524 is an abundant number, since it is smaller than the sum of its proper divisors (18864371076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13147894524 is a wasteful number, since it uses less digits than its factorization.

13147894524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47637329 (or 47637327 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The spelling of 13147894524 in words is "thirteen billion, one hundred forty-seven million, eight hundred ninety-four thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 47637299 95274598 142911897 190549196 285823794 571647588 1095657877 2191315754 3286973631 4382631508 6573947262 13147894524