Search a number
-
+
51560506061 = 315331381927
BaseRepresentation
bin110000000001001111…
…101110001011001101
311221002100012002111122
4300001033232023031
51321043442143221
635404144330325
73503501033051
oct600117561315
9157070162448
1051560506061
111a95961a389
129bab6139a5
134b291583ac
1426d1aa3c61
15151b891eab
hexc013ee2cd

51560506061 has 8 divisors (see below), whose sum is σ = 54227971584. Its totient is φ = 48955804560.

The previous prime is 51560506057. The next prime is 51560506069. The reversal of 51560506061 is 16060506515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51560506061 - 22 = 51560506057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51560506069) 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, 15689321 + ... + 15692606.

It is an arithmetic number, because the mean of its divisors is an integer number (6778496448).

Almost surely, 251560506061 is an apocalyptic number.

It is an amenable number.

51560506061 is a deficient number, since it is larger than the sum of its proper divisors (2667465523).

51560506061 is a wasteful number, since it uses less digits than its factorization.

51560506061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31382011.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 51560506061 in words is "fifty-one billion, five hundred sixty million, five hundred six thousand, sixty-one".

Divisors: 1 31 53 1643 31381927 972839737 1663242131 51560506061