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641874714337 = 38916217101749
BaseRepresentation
bin10010101011100101011…
…01101101111011100001
32021100210100111221121001
421111302231231323201
541004024411324322
61210512334432001
764242153023203
oct11256255557341
92240710457531
10641874714337
112282435a722a
12a4496662601
13486b422c39c
14230d1816773
1511a6b21a827
hex9572b6dee1

641874714337 has 8 divisors (see below), whose sum is σ = 643570785000. Its totient is φ = 640178880384.

The previous prime is 641874714311. The next prime is 641874714347. The reversal of 641874714337 is 733417478146.

It can be written as a sum of positive squares in 4 ways, for example, as 286009970401 + 355864743936 = 534799^2 + 596544^2 .

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 641874714337 - 223 = 641866325729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641874714347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6257539 + ... + 6359287.

It is an arithmetic number, because the mean of its divisors is an integer number (80446348125).

Almost surely, 2641874714337 is an apocalyptic number.

It is an amenable number.

641874714337 is a deficient number, since it is larger than the sum of its proper divisors (1696070663).

641874714337 is a wasteful number, since it uses less digits than its factorization.

641874714337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118355.

The product of its digits is 9483264, while the sum is 55.

The spelling of 641874714337 in words is "six hundred forty-one billion, eight hundred seventy-four million, seven hundred fourteen thousand, three hundred thirty-seven".

Divisors: 1 389 16217 101749 6308413 39580361 1650063533 641874714337