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13134379420 = 225953689107
BaseRepresentation
bin11000011101101111…
…01011100110011100
31020220100122121101001
430032313223212130
5203344400120140
610011151200044
7643324245241
oct141667534634
936810577331
1013134379420
115630018728
122666816024
131314191956
148c85495c8
1551d147e9a
hex30edeb99c

13134379420 has 24 divisors (see below), whose sum is σ = 27611179344. Its totient is φ = 5248231296.

The previous prime is 13134379417. The next prime is 13134379463. The reversal of 13134379420 is 2497343131.

It is a self number, because there is not a number n which added to its sum of digits gives 13134379420.

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, 325494 + ... + 363613.

It is an arithmetic number, because the mean of its divisors is an integer number (1150465806).

Almost surely, 213134379420 is an apocalyptic number.

13134379420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13134379420 is an abundant number, since it is smaller than the sum of its proper divisors (14476799924).

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

13134379420 is a wasteful number, since it uses less digits than its factorization.

13134379420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690069 (or 690067 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 13134379420 in words is "thirteen billion, one hundred thirty-four million, three hundred seventy-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 953 1906 3812 4765 9530 19060 689107 1378214 2756428 3445535 6891070 13782140 656718971 1313437942 2626875884 3283594855 6567189710 13134379420