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13921049974760 = 2351133678392039
BaseRepresentation
bin1100101010010011111100…
…1111010001011111101000
31211021211122220112010100122
43022210333033101133220
53311040302243143020
645335124142022412
72634522411250625
oct312447717213750
954254586463318
1013921049974760
11448797a876145
121689bab577a08
1379c998506096
14361ad4d2d34c
151921b9bd3125
hexca93f3d17e8

13921049974760 has 64 divisors (see below), whose sum is σ = 31685657587200. Its totient is φ = 5504102747136.

The previous prime is 13921049974757. The next prime is 13921049974823. The reversal of 13921049974760 is 6747994012931.

It is a hoax number, since the sum of its digits (62) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13921049974693 and 13921049974702.

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, 2537180 + ... + 5854859.

It is an arithmetic number, because the mean of its divisors is an integer number (495088399800).

Almost surely, 213921049974760 is an apocalyptic number.

13921049974760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13921049974760 is an abundant number, since it is smaller than the sum of its proper divisors (17764607612440).

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

13921049974760 is a wasteful number, since it uses less digits than its factorization.

13921049974760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8392530 (or 8392526 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 62.

The spelling of 13921049974760 in words is "thirteen trillion, nine hundred twenty-one billion, forty-nine million, nine hundred seventy-four thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 113 226 367 452 565 734 904 1130 1468 1835 2260 2936 3670 4520 7340 14680 41471 82942 165884 207355 331768 414710 829420 1658840 8392039 16784078 33568156 41960195 67136312 83920390 167840780 335681560 948300407 1896600814 3079878313 3793201628 4741502035 6159756626 7586403256 9483004070 12319513252 15399391565 18966008140 24639026504 30798783130 37932016280 61597566260 123195132520 348026249369 696052498738 1392104997476 1740131246845 2784209994952 3480262493690 6960524987380 13921049974760