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56143076851 is a prime number
BaseRepresentation
bin110100010010011000…
…110101110111110011
312100220201002210211201
4310102120311313303
51404440111424401
641443004552031
74025164164541
oct642230656763
9170821083751
1056143076851
11218a0337674
12aa6a252617
1353a9682444
142a08544d91
1516d8d40b01
hexd12635df3

56143076851 has 2 divisors, whose sum is σ = 56143076852. Its totient is φ = 56143076850.

The previous prime is 56143076833. The next prime is 56143076923. The reversal of 56143076851 is 15867034165.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56143076851 - 211 = 56143074803 is a prime.

It is not a weakly prime, because it can be changed into another prime (56143076251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28071538425 + 28071538426.

It is an arithmetic number, because the mean of its divisors is an integer number (28071538426).

Almost surely, 256143076851 is an apocalyptic number.

56143076851 is a deficient number, since it is larger than the sum of its proper divisors (1).

56143076851 is an equidigital number, since it uses as much as digits as its factorization.

56143076851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 56143076851 in words is "fifty-six billion, one hundred forty-three million, seventy-six thousand, eight hundred fifty-one".