Search a number
-
+
56581041607 = 617853107507
BaseRepresentation
bin110100101100011111…
…100010110111000111
312102001020012201112121
4310230133202313013
51411334221312412
641554252030411
74042062626656
oct645437426707
9172036181477
1056581041607
1121aa5583012
12ab70a62407
13544932709c
142a4a78d19d
151712503107
hexd2c7e2dc7

56581041607 has 8 divisors (see below), whose sum is σ = 56739712176. Its totient is φ = 56422588992.

The previous prime is 56581041589. The next prime is 56581041637. The reversal of 56581041607 is 70614018565.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56581041607 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 (56581041637) 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, 472548 + ... + 580054.

It is an arithmetic number, because the mean of its divisors is an integer number (7092464022).

Almost surely, 256581041607 is an apocalyptic number.

56581041607 is a deficient number, since it is larger than the sum of its proper divisors (158670569).

56581041607 is a wasteful number, since it uses less digits than its factorization.

56581041607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108977.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 56581041607 in words is "fifty-six billion, five hundred eighty-one million, forty-one thousand, six hundred seven".

Divisors: 1 617 853 107507 526301 66331819 91703471 56581041607