Search a number
-
+
56861312106 = 2315436141857
BaseRepresentation
bin110100111101001100…
…101100010001101010
312102202202120221101110
4310331030230101222
51412422443441411
642042143131150
74052035115064
oct647514542152
9172682527343
1056861312106
1122129801425
12b02a8a3ab6
135492407911
142a75aa8734
15172be162a6
hexd3d32c46a

56861312106 has 16 divisors (see below), whose sum is σ = 113796345024. Its totient is φ = 18941483904.

The previous prime is 56861312093. The next prime is 56861312107. The reversal of 56861312106 is 60121316865.

56861312106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56861312107) 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, 3061671 + ... + 3080186.

It is an arithmetic number, because the mean of its divisors is an integer number (7112271564).

Almost surely, 256861312106 is an apocalyptic number.

56861312106 is an abundant number, since it is smaller than the sum of its proper divisors (56935032918).

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

56861312106 is a wasteful number, since it uses less digits than its factorization.

56861312106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6143405.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 56861312106 in words is "fifty-six billion, eight hundred sixty-one million, three hundred twelve thousand, one hundred six".

Divisors: 1 2 3 6 1543 3086 4629 9258 6141857 12283714 18425571 36851142 9476885351 18953770702 28430656053 56861312106