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2991069241 is a prime number
BaseRepresentation
bin1011001001001000…
…0001100000111001
321201110020001122021
42302102001200321
522111203203431
61212444554441
7134056445326
oct26222014071
97643201567
102991069241
1112a5420656
126b5852a21
133888a8574
1420535db4d
151278ccb11
hexb2481839

2991069241 has 2 divisors, whose sum is σ = 2991069242. Its totient is φ = 2991069240.

The previous prime is 2991069217. The next prime is 2991069259. The reversal of 2991069241 is 1429601992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1821155625 + 1169913616 = 42675^2 + 34204^2 .

It is a cyclic number.

It is not a de Polignac number, because 2991069241 - 221 = 2988972089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2991069041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495534620 + 1495534621.

It is an arithmetic number, because the mean of its divisors is an integer number (1495534621).

Almost surely, 22991069241 is an apocalyptic number.

It is an amenable number.

2991069241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2991069241 is an equidigital number, since it uses as much as digits as its factorization.

2991069241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2991069241 is about 54690.6686830578. The cubic root of 2991069241 is about 1440.8169941075.

The spelling of 2991069241 in words is "two billion, nine hundred ninety-one million, sixty-nine thousand, two hundred forty-one".