Search a number
-
+
120157851879 = 32131026990187
BaseRepresentation
bin110111111100111110…
…1110101000011100111
3102111011000012022120100
41233321331311003213
53432040402230004
6131111051435143
711452423613652
oct1577175650347
9374130168510
10120157851879
1146a5aa7a61a
121b354755ab3
13b43bb05150
145b5c2b6899
1531d3c86739
hex1bf9f750e7

120157851879 has 12 divisors (see below), whose sum is σ = 186912214216. Its totient is φ = 73943293392.

The previous prime is 120157851871. The next prime is 120157851901. The reversal of 120157851879 is 978158751021.

120157851879 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 57 + 8 + 518 + 79 = 666.

It is not a de Polignac number, because 120157851879 - 23 = 120157851871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120157851871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513494977 + ... + 513495210.

Almost surely, 2120157851879 is an apocalyptic number.

120157851879 is a deficient number, since it is larger than the sum of its proper divisors (66754362337).

120157851879 is a wasteful number, since it uses less digits than its factorization.

120157851879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026990206 (or 1026990203 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 54.

The spelling of 120157851879 in words is "one hundred twenty billion, one hundred fifty-seven million, eight hundred fifty-one thousand, eight hundred seventy-nine".

Divisors: 1 3 9 13 39 117 1026990187 3080970561 9242911683 13350872431 40052617293 120157851879