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6800020764491 = 231132616398909
BaseRepresentation
bin110001011110100000011…
…0100100111011101001011
3220002002001010202020102002
41202331000310213131023
51342402420303430431
622243515244301215
71301166565545113
oct142750064473513
926062033666362
106800020764491
112191966499889
12919a8124180b
133a43156c9846
141971a0bdc043
15bbd3decc3cb
hex62f40d2774b

6800020764491 has 8 divisors (see below), whose sum is σ = 7158467417760. Its totient is φ = 6446806909312.

The previous prime is 6800020764479. The next prime is 6800020764503. The reversal of 6800020764491 is 1944670200086.

It is an interprime number because it is at equal distance from previous prime (6800020764479) and next prime (6800020764503).

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 6800020764491 - 210 = 6800020763467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6800020764401) 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, 1308196856 + ... + 1308202053.

It is an arithmetic number, because the mean of its divisors is an integer number (894808427220).

Almost surely, 26800020764491 is an apocalyptic number.

6800020764491 is a deficient number, since it is larger than the sum of its proper divisors (358446653269).

6800020764491 is a wasteful number, since it uses less digits than its factorization.

6800020764491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616399045.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 6800020764491 in words is "six trillion, eight hundred billion, twenty million, seven hundred sixty-four thousand, four hundred ninety-one".

Divisors: 1 23 113 2599 2616398909 60177174907 295653076717 6800020764491