Search a number
-
+
5618020208164 = 22721343131509769
BaseRepresentation
bin101000111000000110000…
…0110010100111000100100
3201220002002111011121022121
41101300030012110320210
51214021201133130124
615540514410235324
71116613530566200
oct121601406247044
921802074147277
105618020208164
111876652a45181
12768987725b44
13319a141a9130
14155cb0dd7b00
159b20e5da2e4
hex51c0c194e24

5618020208164 has 288 divisors, whose sum is σ = 12740557737600. Its totient is φ = 2147227729920.

The previous prime is 5618020208123. The next prime is 5618020208221. The reversal of 5618020208164 is 4618020208165.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 5618020208164.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7305617572 + ... + 7305618340.

It is an arithmetic number, because the mean of its divisors is an integer number (44238047700).

Almost surely, 25618020208164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5618020208164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6370278868800).

5618020208164 is an abundant number, since it is smaller than the sum of its proper divisors (7122537529436).

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

5618020208164 is a wasteful number, since it uses less digits than its factorization.

5618020208164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

Subtracting from 5618020208164 its reverse (4618020208165), we obtain a palindrome (999999999999).

The spelling of 5618020208164 in words is "five trillion, six hundred eighteen billion, twenty million, two hundred eight thousand, one hundred sixty-four".