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56142354061 = 67837945583
BaseRepresentation
bin110100010010010110…
…000101011010001101
312100220122202002100201
4310102112011122031
51404434420312221
641442541253501
74025155064353
oct642226053215
9170818662321
1056142354061
112189a993622
12aa69b64291
1353a948b461
142a083d77d3
1516d8c4b891
hexd1258568d

56142354061 has 4 divisors (see below), whose sum is σ = 56980299712. Its totient is φ = 55304408412.

The previous prime is 56142354043. The next prime is 56142354071. The reversal of 56142354061 is 16045324165.

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 not a de Polignac number, because 56142354061 - 25 = 56142354029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56142354061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56142354001) 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, 418972725 + ... + 418972858.

It is an arithmetic number, because the mean of its divisors is an integer number (14245074928).

Almost surely, 256142354061 is an apocalyptic number.

It is an amenable number.

56142354061 is a deficient number, since it is larger than the sum of its proper divisors (837945651).

56142354061 is an equidigital number, since it uses as much as digits as its factorization.

56142354061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837945650.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 56142354061 in words is "fifty-six billion, one hundred forty-two million, three hundred fifty-four thousand, sixty-one".

Divisors: 1 67 837945583 56142354061