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13026174980 = 2257137157239
BaseRepresentation
bin11000010000110101…
…11010100000000100
31020121211001020210012
430020122322200010
5203134200044410
65552324045352
7640541442350
oct141032724004
936554036705
1013026174980
115584a33075
122636533858
1312c7937960
148b8020460
155138c2605
hex3086ba804

13026174980 has 48 divisors (see below), whose sum is σ = 33667656960. Its totient is φ = 4122569088.

The previous prime is 13026174949. The next prime is 13026175003. The reversal of 13026174980 is 8947162031.

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, 3576800 + ... + 3580439.

It is an arithmetic number, because the mean of its divisors is an integer number (701409520).

Almost surely, 213026174980 is an apocalyptic number.

13026174980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13026174980 is an abundant number, since it is smaller than the sum of its proper divisors (20641481980).

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

13026174980 is a wasteful number, since it uses less digits than its factorization.

13026174980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157268 (or 7157266 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 13026174980 in words is "thirteen billion, twenty-six million, one hundred seventy-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 910 1820 7157239 14314478 28628956 35786195 50100673 71572390 93044107 100201346 143144780 186088214 200402692 250503365 372176428 465220535 501006730 651308749 930441070 1002013460 1302617498 1860882140 2605234996 3256543745 6513087490 13026174980