Search a number
-
+
56005158507 = 318668386169
BaseRepresentation
bin110100001010001010…
…101110011001101011
312100120002120211102220
4310022022232121223
51404144310033012
641421200525123
74021600664334
oct641212563153
9170502524386
1056005158507
112182a4a7571
12aa300207a3
135386c2375c
1429d40c328b
1516cbb9b08c
hexd0a2ae66b

56005158507 has 4 divisors (see below), whose sum is σ = 74673544680. Its totient is φ = 37336772336.

The previous prime is 56005158491. The next prime is 56005158541. The reversal of 56005158507 is 70585150065.

56005158507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56005158507 - 24 = 56005158491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56005158107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9334193082 + ... + 9334193087.

It is an arithmetic number, because the mean of its divisors is an integer number (18668386170).

Almost surely, 256005158507 is an apocalyptic number.

56005158507 is a deficient number, since it is larger than the sum of its proper divisors (18668386173).

56005158507 is a wasteful number, since it uses less digits than its factorization.

56005158507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18668386172.

The product of its (nonzero) digits is 210000, while the sum is 42.

The spelling of 56005158507 in words is "fifty-six billion, five million, one hundred fifty-eight thousand, five hundred seven".

Divisors: 1 3 18668386169 56005158507