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6705706957 is a prime number
BaseRepresentation
bin1100011111011000…
…01111011111001101
3122022022222012121221
412033230033133031
5102213130110312
63025222323341
7325113366025
oct61754173715
918268865557
106705706957
112931218984
121371889551
1382b355951
14478830a85
15293a86207
hex18fb0f7cd

6705706957 has 2 divisors, whose sum is σ = 6705706958. Its totient is φ = 6705706956.

The previous prime is 6705706921. The next prime is 6705706963. The reversal of 6705706957 is 7596075076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6674726601 + 30980356 = 81699^2 + 5566^2 .

It is a cyclic number.

It is not a de Polignac number, because 6705706957 - 27 = 6705706829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6705706057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3352853478 + 3352853479.

It is an arithmetic number, because the mean of its divisors is an integer number (3352853479).

Almost surely, 26705706957 is an apocalyptic number.

It is an amenable number.

6705706957 is a deficient number, since it is larger than the sum of its proper divisors (1).

6705706957 is an equidigital number, since it uses as much as digits as its factorization.

6705706957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2778300, while the sum is 52.

The square root of 6705706957 is about 81888.3810866963. The cubic root of 6705706957 is about 1885.7387416072.

The spelling of 6705706957 in words is "six billion, seven hundred five million, seven hundred six thousand, nine hundred fifty-seven".