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13806980208 = 2432737012
BaseRepresentation
bin11001101101111010…
…11100110001110000
31022122020021021012100
430312331130301300
5211234041331313
610202015300400
7666102252420
oct146675346160
938566237170
1013806980208
11594575364a
122813b1a700
1313c0629a98
1494d9d0480
1555c207173
hex336f5cc70

13806980208 has 90 divisors (see below), whose sum is σ = 44172356072. Its totient is φ = 3943785600.

The previous prime is 13806980189. The next prime is 13806980221. The reversal of 13806980208 is 80208960831.

13806980208 is a `hidden beast` number, since 1 + 380 + 69 + 8 + 0 + 208 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3728758 + ... + 3732458.

Almost surely, 213806980208 is an apocalyptic number.

13806980208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13806980208 is an abundant number, since it is smaller than the sum of its proper divisors (30365375864).

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

13806980208 is an frugal number, since it uses more digits than its factorization.

13806980208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423 (or 3713 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 13806980208 in words is "thirteen billion, eight hundred six million, nine hundred eighty thousand, two hundred eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 3701 7402 11103 14804 22206 25907 29608 33309 44412 51814 59216 66618 77721 88824 103628 133236 155442 177648 207256 233163 266472 310884 414512 466326 532944 621768 932652 1243536 1865304 3730608 13697401 27394802 41092203 54789604 82184406 95881807 109579208 123276609 164368812 191763614 219158416 246553218 287645421 328737624 383527228 493106436 575290842 657475248 767054456 862936263 986212872 1150581684 1534108912 1725872526 1972425744 2301163368 3451745052 4602326736 6903490104 13806980208