Search a number
-
+
18836460476 = 2210943202891
BaseRepresentation
bin10001100010101111…
…011001001110111100
31210121202010100002022
4101202233121032330
5302034113213401
612353042415312
71234533162251
oct214257311674
953552110068
1018836460476
117a96766609
123798361538
131a1260ac02
14ca9967428
15753a3371b
hex462bd93bc

18836460476 has 12 divisors (see below), whose sum is σ = 33266226840. Its totient is φ = 9331824240.

The previous prime is 18836460469. The next prime is 18836460527. The reversal of 18836460476 is 67406463881.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21601010 + ... + 21601881.

It is an arithmetic number, because the mean of its divisors is an integer number (2772185570).

Almost surely, 218836460476 is an apocalyptic number.

It is an amenable number.

18836460476 is a deficient number, since it is larger than the sum of its proper divisors (14429766364).

18836460476 is a wasteful number, since it uses less digits than its factorization.

18836460476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43203004 (or 43203002 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 18836460476 in words is "eighteen billion, eight hundred thirty-six million, four hundred sixty thousand, four hundred seventy-six".

Divisors: 1 2 4 109 218 436 43202891 86405782 172811564 4709115119 9418230238 18836460476