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12713029580 = 22519101331241
BaseRepresentation
bin10111101011100000…
…10110111111001100
31012210222210211001102
423311300112333030
5202014013421310
65501300202232
7630016653116
oct136560267714
935728724042
1012713029580
1154341a0319
122569699378
131277ab6714
148885c83b6
154e61688a5
hex2f5c16fcc

12713029580 has 48 divisors (see below), whose sum is σ = 28380814560. Its totient is φ = 4769856000.

The previous prime is 12713029579. The next prime is 12713029601. The reversal of 12713029580 is 8592031721.

It is a super-2 number, since 2×127130295802 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127241 + ... + 204000.

It is an arithmetic number, because the mean of its divisors is an integer number (591266970).

Almost surely, 212713029580 is an apocalyptic number.

12713029580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12713029580 is an abundant number, since it is smaller than the sum of its proper divisors (15667784980).

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

12713029580 is a wasteful number, since it uses less digits than its factorization.

12713029580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331370 (or 331368 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 12713029580 in words is "twelve billion, seven hundred thirteen million, twenty-nine thousand, five hundred eighty".

Divisors: 1 2 4 5 10 19 20 38 76 95 101 190 202 380 404 505 1010 1919 2020 3838 7676 9595 19190 38380 331241 662482 1324964 1656205 3312410 6293579 6624820 12587158 25174316 31467895 33455341 62935790 66910682 125871580 133821364 167276705 334553410 635651479 669106820 1271302958 2542605916 3178257395 6356514790 12713029580