Search a number
-
+
15902097084 = 2232441724919
BaseRepresentation
bin11101100111101011…
…01011111010111100
31112001020121020020200
432303311223322330
5230031414101314
611145541043500
71102032411036
oct166365537274
945036536220
1015902097084
1168203569a5
1230b96b6590
1316656c8103
14aabd68c56
15631107709
hex3b3d6bebc

15902097084 has 18 divisors (see below), whose sum is σ = 40196967720. Its totient is φ = 5300699016.

The previous prime is 15902097083. The next prime is 15902097089. The reversal of 15902097084 is 48079020951.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×159020970842 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15902097083) 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 5 ways as a sum of consecutive naturals, for example, 220862424 + ... + 220862495.

Almost surely, 215902097084 is an apocalyptic number.

It is an amenable number.

15902097084 is an abundant number, since it is smaller than the sum of its proper divisors (24294870636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15902097084 is a wasteful number, since it uses less digits than its factorization.

15902097084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441724929 (or 441724924 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 15902097084 in words is "fifteen billion, nine hundred two million, ninety-seven thousand, eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 441724919 883449838 1325174757 1766899676 2650349514 3975524271 5300699028 7951048542 15902097084