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2997457691 is a prime number
BaseRepresentation
bin1011001010101001…
…1001001100011011
321201220020121221112
42302222121030123
522114322121231
61213233530535
7134164653464
oct26252311433
97656217845
102997457691
1112a8a94368
126b7a13a4b
1338a004307
14206143d6b
1512824092b
hexb2a9931b

2997457691 has 2 divisors, whose sum is σ = 2997457692. Its totient is φ = 2997457690.

The previous prime is 2997457669. The next prime is 2997457709. The reversal of 2997457691 is 1967547992.

2997457691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2997457691 - 26 = 2997457627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2997457691.

It is not a weakly prime, because it can be changed into another prime (2997457091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1498728845 + 1498728846.

It is an arithmetic number, because the mean of its divisors is an integer number (1498728846).

Almost surely, 22997457691 is an apocalyptic number.

2997457691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2997457691 is an equidigital number, since it uses as much as digits as its factorization.

2997457691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8573040, while the sum is 59.

The square root of 2997457691 is about 54749.0428318158. The cubic root of 2997457691 is about 1441.8420502741.

The spelling of 2997457691 in words is "two billion, nine hundred ninety-seven million, four hundred fifty-seven thousand, six hundred ninety-one".