Search a number
-
+
56863032137 = 290319587679
BaseRepresentation
bin110100111101010011…
…010000001101001001
312102202212211022211022
4310331103100031021
51412423414012022
642042244042225
74052055540542
oct647523201511
9172685738738
1056863032137
112212a77673a
12b02b393375
13549288a7a2
142a75dd54c9
15172c155c42
hexd3d4d0349

56863032137 has 4 divisors (see below), whose sum is σ = 56882622720. Its totient is φ = 56843441556.

The previous prime is 56863032113. The next prime is 56863032157. The reversal of 56863032137 is 73123036865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56863032137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56863032157) 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 3 ways as a sum of consecutive naturals, for example, 9790937 + ... + 9796742.

It is an arithmetic number, because the mean of its divisors is an integer number (14220655680).

Almost surely, 256863032137 is an apocalyptic number.

It is an amenable number.

56863032137 is a deficient number, since it is larger than the sum of its proper divisors (19590583).

56863032137 is a wasteful number, since it uses less digits than its factorization.

56863032137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19590582.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 56863032137 in words is "fifty-six billion, eight hundred sixty-three million, thirty-two thousand, one hundred thirty-seven".

Divisors: 1 2903 19587679 56863032137