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6808808953 is a prime number
BaseRepresentation
bin1100101011101011…
…00010110111111001
3122120111222022222101
412111311202313321
5102421023341303
63043344223401
7330504630652
oct62565426771
918514868871
106808808953
112984438a41
1213a030ab61
1384681434b
144883cc529
1529cb4ed1d
hex195d62df9

6808808953 has 2 divisors, whose sum is σ = 6808808954. Its totient is φ = 6808808952.

The previous prime is 6808808911. The next prime is 6808808957. The reversal of 6808808953 is 3598088086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5861892969 + 946915984 = 76563^2 + 30772^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6808808953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6808808894 and 6808808903.

It is not a weakly prime, because it can be changed into another prime (6808808957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404404476 + 3404404477.

It is an arithmetic number, because the mean of its divisors is an integer number (3404404477).

Almost surely, 26808808953 is an apocalyptic number.

It is an amenable number.

6808808953 is a deficient number, since it is larger than the sum of its proper divisors (1).

6808808953 is an equidigital number, since it uses as much as digits as its factorization.

6808808953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 55.

The square root of 6808808953 is about 82515.5073486190. The cubic root of 6808808953 is about 1895.3542038567.

The spelling of 6808808953 in words is "six billion, eight hundred eight million, eight hundred eight thousand, nine hundred fifty-three".