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56000144621 = 409466329363
BaseRepresentation
bin110100001001110111…
…100110010011101101
312100112202011002200102
4310021313212103231
51404142014111441
641420501240445
74021510242521
oct641167462355
9170482132612
1056000144621
1121827692563
12aa2a403125
135385b89565
1429d3579d81
1516cb50a69b
hexd09de64ed

56000144621 has 8 divisors (see below), whose sum is σ = 56151015360. Its totient is φ = 55849342752.

The previous prime is 56000144617. The next prime is 56000144623. The reversal of 56000144621 is 12644100065.

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 56000144621 - 22 = 56000144617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56000144623) 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, 1892486 + ... + 1921848.

It is an arithmetic number, because the mean of its divisors is an integer number (7018876920).

Almost surely, 256000144621 is an apocalyptic number.

It is an amenable number.

56000144621 is a deficient number, since it is larger than the sum of its proper divisors (150870739).

56000144621 is a wasteful number, since it uses less digits than its factorization.

56000144621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34435.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 56000144621 its reverse (12644100065), we get a palindrome (68644244686).

The spelling of 56000144621 in words is "fifty-six billion, one hundred forty-four thousand, six hundred twenty-one".

Divisors: 1 409 4663 29363 1907167 12009467 136919669 56000144621