Search a number
-
+
15857930073 = 3109157130869
BaseRepresentation
bin11101100010011010…
…01100111101011001
31111221011111022111110
432301031030331121
5224434112230243
611141322250533
71100655116166
oct166115147531
944834438443
1015857930073
1167a842a637
1230a6956a49
13165950299b
14aa614d06d
1562c2d0e33
hex3b134cf59

15857930073 has 16 divisors (see below), whose sum is σ = 21352161600. Its totient is φ = 10467956160.

The previous prime is 15857930063. The next prime is 15857930093. The reversal of 15857930073 is 37003975851.

It is not a de Polignac number, because 15857930073 - 26 = 15857930009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15857930003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 498283 + ... + 529151.

It is an arithmetic number, because the mean of its divisors is an integer number (1334510100).

Almost surely, 215857930073 is an apocalyptic number.

It is an amenable number.

15857930073 is a deficient number, since it is larger than the sum of its proper divisors (5494231527).

15857930073 is a wasteful number, since it uses less digits than its factorization.

15857930073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32552.

The product of its (nonzero) digits is 793800, while the sum is 48.

The spelling of 15857930073 in words is "fifteen billion, eight hundred fifty-seven million, nine hundred thirty thousand, seventy-three".

Divisors: 1 3 109 327 1571 4713 30869 92607 171239 513717 3364721 10094163 48495199 145485597 5285976691 15857930073