Search a number
-
+
12420948575 = 527478714827
BaseRepresentation
bin10111001000101100…
…01010001001011111
31012001122012120020102
423210112022021133
5200414230323300
65412304011315
7616542215030
oct134426121137
935048176212
1012420948575
1152a4335562
1224a7900b3b
13122c42c219
1485b8b6a87
154ca6c10d5
hex2e458a25f

12420948575 has 24 divisors (see below), whose sum is σ = 17607123072. Its totient is φ = 8514868320.

The previous prime is 12420948539. The next prime is 12420948599. The reversal of 12420948575 is 57584902421.

12420948575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12420948575 - 222 = 12416754271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 830312 + ... + 845138.

It is an arithmetic number, because the mean of its divisors is an integer number (733630128).

Almost surely, 212420948575 is an apocalyptic number.

12420948575 is a deficient number, since it is larger than the sum of its proper divisors (5186174497).

12420948575 is a wasteful number, since it uses less digits than its factorization.

12420948575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19631 (or 19626 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 12420948575 in words is "twelve billion, four hundred twenty million, nine hundred forty-eight thousand, five hundred seventy-five".

Divisors: 1 5 7 25 35 175 4787 14827 23935 33509 74135 103789 119675 167545 370675 518945 837725 2594725 70976849 354884245 496837943 1774421225 2484189715 12420948575