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14620816979 = 52366142293
BaseRepresentation
bin11011001110111011…
…11111011001010011
31101201221122110100222
431213131333121103
5214420412120404
610414450503255
71025213615366
oct154735773123
941657573328
1014620816979
11622308521a
122a00594b2b
1314c01159c2
149c9b1c0dd
155a88b3dbe
hex36777f653

14620816979 has 8 divisors (see below), whose sum is σ = 14671281072. Its totient is φ = 14570439840.

The previous prime is 14620816933. The next prime is 14620816981. The reversal of 14620816979 is 97961802641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14620816979 - 28 = 14620816723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14620816979.

It is not an unprimeable number, because it can be changed into a prime (14620816079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324557 + ... + 366849.

It is an arithmetic number, because the mean of its divisors is an integer number (1833910134).

Almost surely, 214620816979 is an apocalyptic number.

14620816979 is a deficient number, since it is larger than the sum of its proper divisors (50464093).

14620816979 is an equidigital number, since it uses as much as digits as its factorization.

14620816979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43477.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 14620816979 in words is "fourteen billion, six hundred twenty million, eight hundred sixteen thousand, nine hundred seventy-nine".

Divisors: 1 523 661 42293 345703 22119239 27955673 14620816979