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641056023624663 = 32155945688548473
BaseRepresentation
bin1001000111000010010111110…
…0100100011011101111010111
310010001210100122111120121202100
42101300211330210123233113
51133011030214021442123
610151225023252013143
7252012524605120503
oct22160457444335727
93101710574517670
10641056023624663
11176295373049359
125ba94b513011b3
132169142905a88a
14b4433c44bd303
154e1a511c48643
hex247097c91bbd7

641056023624663 has 12 divisors (see below), whose sum is σ = 926563763052720. Its totient is φ = 427096551116256.

The previous prime is 641056023624661. The next prime is 641056023624671. The reversal of 641056023624663 is 366426320650146.

641056023624663 is a `hidden beast` number, since 6 + 4 + 1 + 0 + 5 + 6 + 0 + 2 + 3 + 624 + 6 + 6 + 3 = 666.

It is not a de Polignac number, because 641056023624663 - 21 = 641056023624661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641056023624661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22844260206 + ... + 22844288267.

It is an arithmetic number, because the mean of its divisors is an integer number (77213646921060).

Almost surely, 2641056023624663 is an apocalyptic number.

641056023624663 is a deficient number, since it is larger than the sum of its proper divisors (285507739428057).

641056023624663 is a wasteful number, since it uses less digits than its factorization.

641056023624663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45688550038 (or 45688550035 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 54.

The spelling of 641056023624663 in words is "six hundred forty-one trillion, fifty-six billion, twenty-three million, six hundred twenty-four thousand, six hundred sixty-three".

Divisors: 1 3 9 1559 4677 14031 45688548473 137065645419 411196936257 71228447069407 213685341208221 641056023624663