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6422880291081 = 32140960097027
BaseRepresentation
bin101110101110111000101…
…1111111000100100001001
3211202000120120102010201020
41131131301133320210021
51320213024323303311
621354344103143053
71232015650452162
oct135356137704411
924660516363636
106422880291081
112056a23531121
12878969744a89
133778a10059c7
14182c249dc769
15b21193e6c06
hex5d7717f8909

6422880291081 has 4 divisors (see below), whose sum is σ = 8563840388112. Its totient is φ = 4281920194052.

The previous prime is 6422880291059. The next prime is 6422880291143. The reversal of 6422880291081 is 1801920882246.

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 6422880291081 - 25 = 6422880291049 is a prime.

It is a super-2 number, since 2×64228802910812 (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6422880291011) 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, 1070480048511 + ... + 1070480048516.

It is an arithmetic number, because the mean of its divisors is an integer number (2140960097028).

Almost surely, 26422880291081 is an apocalyptic number.

It is an amenable number.

6422880291081 is a deficient number, since it is larger than the sum of its proper divisors (2140960097031).

6422880291081 is a wasteful number, since it uses less digits than its factorization.

6422880291081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140960097030.

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 6422880291081 in words is "six trillion, four hundred twenty-two billion, eight hundred eighty million, two hundred ninety-one thousand, eighty-one".

Divisors: 1 3 2140960097027 6422880291081