Search a number
-
+
52727640516 = 22321464656681
BaseRepresentation
bin110001000110110011…
…111111000111000100
312001002200100122222200
4301012303333013010
51330441233444031
640120040154500
73544432356315
oct610663770704
9161080318880
1052727640516
11203a8418811
12a276468a30
134c83bb34b5
1427a2aba60c
1515890898e6
hexc46cff1c4

52727640516 has 18 divisors (see below), whose sum is σ = 133283758062. Its totient is φ = 17575880160.

The previous prime is 52727640479. The next prime is 52727640517. The reversal of 52727640516 is 61504672725.

52727640516 is a `hidden beast` number, since 5 + 2 + 72 + 7 + 64 + 0 + 516 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41713977600 + 11013662916 = 204240^2 + 104946^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52727640517) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 732328305 + ... + 732328376.

Almost surely, 252727640516 is an apocalyptic number.

It is an amenable number.

52727640516 is an abundant number, since it is smaller than the sum of its proper divisors (80556117546).

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

52727640516 is a wasteful number, since it uses less digits than its factorization.

52727640516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464656691 (or 1464656686 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 52727640516 in words is "fifty-two billion, seven hundred twenty-seven million, six hundred forty thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 1464656681 2929313362 4393970043 5858626724 8787940086 13181910129 17575880172 26363820258 52727640516