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7665132997 is a prime number
BaseRepresentation
bin1110010001110000…
…01010010111000101
3201210012022002201201
413020320022113011
5111144233223442
63304334222501
7360643361344
oct71070122705
921705262651
107665132997
113283849965
12159b054a31
13952057c72
1452a019b5b
152ece007b7
hex1c8e0a5c5

7665132997 has 2 divisors, whose sum is σ = 7665132998. Its totient is φ = 7665132996.

The previous prime is 7665132967. The next prime is 7665133061. The reversal of 7665132997 is 7992315667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6272798401 + 1392334596 = 79201^2 + 37314^2 .

It is a cyclic number.

It is not a de Polignac number, because 7665132997 - 227 = 7530915269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7665132967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3832566498 + 3832566499.

It is an arithmetic number, because the mean of its divisors is an integer number (3832566499).

Almost surely, 27665132997 is an apocalyptic number.

It is an amenable number.

7665132997 is a deficient number, since it is larger than the sum of its proper divisors (1).

7665132997 is an equidigital number, since it uses as much as digits as its factorization.

7665132997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4286520, while the sum is 55.

The square root of 7665132997 is about 87550.7452681015. The cubic root of 7665132997 is about 1971.6957404818.

The spelling of 7665132997 in words is "seven billion, six hundred sixty-five million, one hundred thirty-two thousand, nine hundred ninety-seven".