Search a number
-
+
18574595052 = 22313119067917
BaseRepresentation
bin10001010011001000…
…011101001111101100
31202221111101012020220
4101103020131033230
5301020044020202
612311050011340
71225203311226
oct212310351754
952844335226
1018574595052
117971969202
123724716b50
1319a02a2860
14c82c7d416
1573aa58abc
hex45321d3ec

18574595052 has 24 divisors (see below), whose sum is σ = 46674623856. Its totient is φ = 5715259968.

The previous prime is 18574595041. The next prime is 18574595077. The reversal of 18574595052 is 25059547581.

It is a junction number, because it is equal to n+sod(n) for n = 18574594986 and 18574595004.

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 7 ways as a sum of consecutive naturals, for example, 59533803 + ... + 59534114.

It is an arithmetic number, because the mean of its divisors is an integer number (1944775994).

Almost surely, 218574595052 is an apocalyptic number.

18574595052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18574595052 is an abundant number, since it is smaller than the sum of its proper divisors (28100028804).

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

18574595052 is a wasteful number, since it uses less digits than its factorization.

18574595052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119067937 (or 119067935 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 51.

The spelling of 18574595052 in words is "eighteen billion, five hundred seventy-four million, five hundred ninety-five thousand, fifty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 119067917 238135834 357203751 476271668 714407502 1428815004 1547882921 3095765842 4643648763 6191531684 9287297526 18574595052