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8064499291 is a prime number
BaseRepresentation
bin1111000001010111…
…00111111001011011
3202211000210000021221
413200223213321123
5113004002434131
63412122112511
7403563053512
oct74053477133
922730700257
108064499291
113469221752
12169094b737
139b6a06c94
14567097679
15322edb411
hex1e0ae7e5b

8064499291 has 2 divisors, whose sum is σ = 8064499292. Its totient is φ = 8064499290.

The previous prime is 8064499283. The next prime is 8064499301. The reversal of 8064499291 is 1929944608.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8064499291 - 23 = 8064499283 is a prime.

It is a super-2 number, since 2×80644992912 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8064499211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4032249645 + 4032249646.

It is an arithmetic number, because the mean of its divisors is an integer number (4032249646).

Almost surely, 28064499291 is an apocalyptic number.

8064499291 is a deficient number, since it is larger than the sum of its proper divisors (1).

8064499291 is an equidigital number, since it uses as much as digits as its factorization.

8064499291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 8064499291 is about 89802.5572631426. The cubic root of 8064499291 is about 2005.3605602768.

The spelling of 8064499291 in words is "eight billion, sixty-four million, four hundred ninety-nine thousand, two hundred ninety-one".