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6816070805406 = 231216193414341
BaseRepresentation
bin110001100101111110101…
…1110101010011110011110
3220010121110200201210102220
41203023331132222132132
51343133303111233111
622255132032330210
71302305405623242
oct143137536523636
926117420653386
106816070805406
112198752303105
129210003a3966
133a59a2953985
14197c84678422
15bc47d0a9e06
hex632fd7aa79e

6816070805406 has 16 divisors (see below), whose sum is σ = 13633262728848. Its totient is φ = 2271836748800.

The previous prime is 6816070805393. The next prime is 6816070805417. The reversal of 6816070805406 is 6045080706186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46634205 + ... + 46780136.

It is an arithmetic number, because the mean of its divisors is an integer number (852078920553).

Almost surely, 26816070805406 is an apocalyptic number.

6816070805406 is an abundant number, since it is smaller than the sum of its proper divisors (6817191923442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6816070805406 is a wasteful number, since it uses less digits than its factorization.

6816070805406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93426507.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 6816070805406 in words is "six trillion, eight hundred sixteen billion, seventy million, eight hundred five thousand, four hundred six".

Divisors: 1 2 3 6 12161 24322 36483 72966 93414341 186828682 280243023 560486046 1136011800901 2272023601802 3408035402703 6816070805406