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5159978163 = 325947920287
BaseRepresentation
bin1001100111000111…
…10000010010110011
3111022121102001100100
410303203300102303
541031423300123
62212004123443
7241604043054
oct46343602263
914277361310
105159978163
112208744a6a
121000096583
13643042422
1436d42672b
15203007643
hex1338f04b3

5159978163 has 24 divisors (see below), whose sum is σ = 7595827200. Its totient is φ = 3374454384.

The previous prime is 5159978137. The next prime is 5159978177. The reversal of 5159978163 is 3618799515.

It is not a de Polignac number, because 5159978163 - 29 = 5159977651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5159978963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244206 + ... + 264492.

It is an arithmetic number, because the mean of its divisors is an integer number (316492800).

Almost surely, 25159978163 is an apocalyptic number.

5159978163 is a deficient number, since it is larger than the sum of its proper divisors (2435849037).

5159978163 is a wasteful number, since it uses less digits than its factorization.

5159978163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20831 (or 20828 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The square root of 5159978163 is about 71832.9879860221. The cubic root of 5159978163 is about 1728.0220818857.

The spelling of 5159978163 in words is "five billion, one hundred fifty-nine million, nine hundred seventy-eight thousand, one hundred sixty-three".

Divisors: 1 3 9 59 177 479 531 1437 4311 20287 28261 60861 84783 182583 254349 1196933 3590799 9717473 10772397 29152419 87457257 573330907 1719992721 5159978163