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6309630997 is a prime number
BaseRepresentation
bin1011110000001010…
…10101010000010101
3121021201200110112221
411320011111100111
5100410231142442
62522033142341
7312233656435
oct57005252025
917251613487
106309630997
11274869317a
1212810ba9b1
13797289487
1443bdac2c5
1526ddea467
hex178155415

6309630997 has 2 divisors, whose sum is σ = 6309630998. Its totient is φ = 6309630996.

The previous prime is 6309630991. The next prime is 6309631063. The reversal of 6309630997 is 7990369036.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5756863876 + 552767121 = 75874^2 + 23511^2 .

It is a cyclic number.

It is not a de Polignac number, because 6309630997 - 23 = 6309630989 is a prime.

It is a super-2 number, since 2×63096309972 = 79622886636606428018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6309630991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3154815498 + 3154815499.

It is an arithmetic number, because the mean of its divisors is an integer number (3154815499).

Almost surely, 26309630997 is an apocalyptic number.

It is an amenable number.

6309630997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6309630997 is an equidigital number, since it uses as much as digits as its factorization.

6309630997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1653372, while the sum is 52.

The square root of 6309630997 is about 79433.1857412253. The cubic root of 6309630997 is about 1847.8554157363.

The spelling of 6309630997 in words is "six billion, three hundred nine million, six hundred thirty thousand, nine hundred ninety-seven".