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6808406956 = 2213337388519
BaseRepresentation
bin1100101011101000…
…00000101110101100
3122120111012220112121
412111310000232230
5102420423010311
63043331442324
7330501334651
oct62564005654
918514186477
106808406956
112984193a0a
1213a01563a4
13846703390
14488325c28
1529cac0b71
hex195d00bac

6808406956 has 24 divisors (see below), whose sum is σ = 12869336480. Its totient is φ = 3133009152.

The previous prime is 6808406953. The next prime is 6808406999. The reversal of 6808406956 is 6596048086.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (6808406951) 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, 176736 + ... + 211783.

Almost surely, 26808406956 is an apocalyptic number.

It is an amenable number.

6808406956 is a deficient number, since it is larger than the sum of its proper divisors (6060929524).

6808406956 is a wasteful number, since it uses less digits than its factorization.

6808406956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388873 (or 388871 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The square root of 6808406956 is about 82513.0714250779. The cubic root of 6808406956 is about 1895.3169020954.

The spelling of 6808406956 in words is "six billion, eight hundred eight million, four hundred six thousand, nine hundred fifty-six".

Divisors: 1 2 4 13 26 52 337 674 1348 4381 8762 17524 388519 777038 1554076 5050747 10101494 20202988 130930903 261861806 523723612 1702101739 3404203478 6808406956