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14658521980 = 2254317044793
BaseRepresentation
bin11011010011011011…
…10100101101111100
31101211120121001220111
431221231310231330
5220010040200410
610422314555404
71026152244454
oct155155645574
941746531814
1014658521980
116242398583
122a11138b64
1314c7b87a5b
149d0b34d64
155abd60b8a
hex369b74b7c

14658521980 has 24 divisors (see below), whose sum is σ = 31498779312. Its totient is φ = 5727050112.

The previous prime is 14658521947. The next prime is 14658522001. The reversal of 14658521980 is 8912585641.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 8521537 + ... + 8523256.

It is an arithmetic number, because the mean of its divisors is an integer number (1312449138).

Almost surely, 214658521980 is an apocalyptic number.

14658521980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14658521980 is an abundant number, since it is smaller than the sum of its proper divisors (16840257332).

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

14658521980 is a wasteful number, since it uses less digits than its factorization.

14658521980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17044845 (or 17044843 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 14658521980 in words is "fourteen billion, six hundred fifty-eight million, five hundred twenty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 17044793 34089586 68179172 85223965 170447930 340895860 732926099 1465852198 2931704396 3664630495 7329260990 14658521980