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52904479964 = 2271993948041
BaseRepresentation
bin110001010001010110…
…100100110011011100
312001120000010001002212
4301101112210303130
51331322021324324
640145354335552
73552010442240
oct612126446334
9161500101085
1052904479964
1120489221916
12a30572a5b8
134cb171b91b
1427bc390420
15159986b70e
hexc515a4cdc

52904479964 has 24 divisors (see below), whose sum is σ = 105862161888. Its totient is φ = 22661948160.

The previous prime is 52904479913. The next prime is 52904479967. The reversal of 52904479964 is 46997440925.

It is a super-2 number, since 2×529044799642 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52904479967) by changing a digit.

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, 418217 + ... + 529824.

It is an arithmetic number, because the mean of its divisors is an integer number (4410923412).

Almost surely, 252904479964 is an apocalyptic number.

It is an amenable number.

52904479964 is an abundant number, since it is smaller than the sum of its proper divisors (52957681924).

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

52904479964 is a wasteful number, since it uses less digits than its factorization.

52904479964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950045 (or 950043 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 52904479964 in words is "fifty-two billion, nine hundred four million, four hundred seventy-nine thousand, nine hundred sixty-four".

Divisors: 1 2 4 7 14 28 1993 3986 7972 13951 27902 55804 948041 1896082 3792164 6636287 13272574 26545148 1889445713 3778891426 7557782852 13226119991 26452239982 52904479964