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8020032961 is a prime number
BaseRepresentation
bin1110111100000011…
…11111110111000001
3202200221002212221211
413132001333313001
5112411112023321
63403453050121
7402513104203
oct73601776701
922627085854
108020032961
113446110516
121679a86941
139aa738545
14561200773
1531e1560e1
hex1de07fdc1

8020032961 has 2 divisors, whose sum is σ = 8020032962. Its totient is φ = 8020032960.

The previous prime is 8020032947. The next prime is 8020032983. The reversal of 8020032961 is 1692300208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4029710400 + 3990322561 = 63480^2 + 63169^2 .

It is a cyclic number.

It is not a de Polignac number, because 8020032961 - 25 = 8020032929 is a prime.

It is not a weakly prime, because it can be changed into another prime (8020032941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4010016480 + 4010016481.

It is an arithmetic number, because the mean of its divisors is an integer number (4010016481).

Almost surely, 28020032961 is an apocalyptic number.

It is an amenable number.

8020032961 is a deficient number, since it is larger than the sum of its proper divisors (1).

8020032961 is an equidigital number, since it uses as much as digits as its factorization.

8020032961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 8020032961 is about 89554.6367364638. The cubic root of 8020032961 is about 2001.6680218814.

The spelling of 8020032961 in words is "eight billion, twenty million, thirty-two thousand, nine hundred sixty-one".