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56612164013 = 233577421093
BaseRepresentation
bin110100101110010110…
…010001000110101101
312102010101202220110022
4310232112101012231
51411420203222023
642001323051525
74042621311566
oct645626210655
9172111686408
1056612164013
11220110aa809
12ab7b370ba5
135452902c02
142a5097116d
1517150ee7c8
hexd2e5911ad

56612164013 has 8 divisors (see below), whose sum is σ = 56953805688. Its totient is φ = 56271366144.

The previous prime is 56612164003. The next prime is 56612164069. The reversal of 56612164013 is 31046121665.

56612164013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13945956649 + 42666207364 = 118093^2 + 206558^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56612164013 - 210 = 56612162989 is a prime.

It is a super-2 number, since 2×566121640132 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56612164003) 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, 76106 + ... + 344987.

It is an arithmetic number, because the mean of its divisors is an integer number (7119225711).

Almost surely, 256612164013 is an apocalyptic number.

It is an amenable number.

56612164013 is a deficient number, since it is larger than the sum of its proper divisors (341641675).

56612164013 is a wasteful number, since it uses less digits than its factorization.

56612164013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421903.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 56612164013 its reverse (31046121665), we get a palindrome (87658285678).

The spelling of 56612164013 in words is "fifty-six billion, six hundred twelve million, one hundred sixty-four thousand, thirteen".

Divisors: 1 233 577 134441 421093 98114669 242970661 56612164013