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6890355086031 = 32765595009559
BaseRepresentation
bin110010001000100100100…
…1010101101001011001111
3220101201012200201020110200
41210101021022231023033
51400342421400223111
622353215130304543
71310545264606044
oct144211112551317
926351180636420
106890355086031
1122172018a666a
12933491b88153
133ac9b0875901
1419b6d02851cb
15be379897256
hex644492ad2cf

6890355086031 has 6 divisors (see below), whose sum is σ = 9952735124280. Its totient is φ = 4593570057348.

The previous prime is 6890355086009. The next prime is 6890355086077. The reversal of 6890355086031 is 1306805530986.

6890355086031 is a `hidden beast` number, since 6 + 8 + 9 + 0 + 3 + 550 + 86 + 0 + 3 + 1 = 666.

It is not a de Polignac number, because 6890355086031 - 27 = 6890355085903 is a prime.

It is a super-2 number, since 2×68903550860312 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890355036031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 382797504771 + ... + 382797504788.

It is an arithmetic number, because the mean of its divisors is an integer number (1658789187380).

Almost surely, 26890355086031 is an apocalyptic number.

6890355086031 is a deficient number, since it is larger than the sum of its proper divisors (3062380038249).

6890355086031 is a wasteful number, since it uses less digits than its factorization.

6890355086031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765595009565 (or 765595009562 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 6890355086031 in words is "six trillion, eight hundred ninety billion, three hundred fifty-five million, eighty-six thousand, thirty-one".

Divisors: 1 3 9 765595009559 2296785028677 6890355086031