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56156027061 = 350113735517
BaseRepresentation
bin110100010011001010…
…001111100010110101
312100221121110202012010
4310103022033202311
51410001420331221
641444150314433
74025412232341
oct642312174265
9170847422163
1056156027061
11218a7682322
12aa72658a19
1353ac267aa4
142a0a156621
1516da04cc76
hexd1328f8b5

56156027061 has 8 divisors (see below), whose sum is σ = 74889664864. Its totient is φ = 37429870320.

The previous prime is 56156027021. The next prime is 56156027111. The reversal of 56156027061 is 16072065165.

56156027061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56156027061 - 223 = 56147638453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56156027021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1852726 + ... + 1882791.

It is an arithmetic number, because the mean of its divisors is an integer number (9361208108).

Almost surely, 256156027061 is an apocalyptic number.

It is an amenable number.

56156027061 is a deficient number, since it is larger than the sum of its proper divisors (18733637803).

56156027061 is a wasteful number, since it uses less digits than its factorization.

56156027061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740531.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 56156027061 in words is "fifty-six billion, one hundred fifty-six million, twenty-seven thousand, sixty-one".

Divisors: 1 3 5011 15033 3735517 11206551 18718675687 56156027061