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6812106965 = 57511814143
BaseRepresentation
bin1100101100000100…
…01000000011010101
3122120202011212222222
412112002020003111
5102422344410330
63043543032125
7330544645106
oct62602100325
918522155888
106812106965
112986290874
1213a143b645
138473ca531
14488a0a3ad
1529d0a20e5
hex1960880d5

6812106965 has 8 divisors (see below), whose sum is σ = 8185417728. Its totient is φ = 5442426000.

The previous prime is 6812106953. The next prime is 6812106971. The reversal of 6812106965 is 5696012186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6812106965 - 28 = 6812106709 is a prime.

It is a super-2 number, since 2×68121069652 = 92809602605203022450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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, 903317 + ... + 910826.

It is an arithmetic number, because the mean of its divisors is an integer number (1023177216).

Almost surely, 26812106965 is an apocalyptic number.

It is an amenable number.

6812106965 is a deficient number, since it is larger than the sum of its proper divisors (1373310763).

6812106965 is a wasteful number, since it uses less digits than its factorization.

6812106965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814899.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 6812106965 is about 82535.4891243761. The cubic root of 6812106965 is about 1895.6601747426.

The spelling of 6812106965 in words is "six billion, eight hundred twelve million, one hundred six thousand, nine hundred sixty-five".

Divisors: 1 5 751 3755 1814143 9070715 1362421393 6812106965