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6398046971 is a prime number
BaseRepresentation
bin1011111010101101…
…00111001011111011
3121111220001110110122
411331112213023323
5101100400000341
62534512203455
7314356334111
oct57526471373
917456043418
106398046971
112793592428
1212a683958b
137ac6a5414
14449a25ab1
15276a6294b
hex17d5a72fb

6398046971 has 2 divisors, whose sum is σ = 6398046972. Its totient is φ = 6398046970.

The previous prime is 6398046931. The next prime is 6398046979. The reversal of 6398046971 is 1796408936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6398046971 - 222 = 6393852667 is a prime.

It is not a weakly prime, because it can be changed into another prime (6398046979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3199023485 + 3199023486.

It is an arithmetic number, because the mean of its divisors is an integer number (3199023486).

Almost surely, 26398046971 is an apocalyptic number.

6398046971 is a deficient number, since it is larger than the sum of its proper divisors (1).

6398046971 is an equidigital number, since it uses as much as digits as its factorization.

6398046971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 6398046971 is about 79987.7926373769. The cubic root of 6398046971 is about 1856.4466567813.

The spelling of 6398046971 in words is "six billion, three hundred ninety-eight million, forty-six thousand, nine hundred seventy-one".