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2923120457 is a prime number
BaseRepresentation
bin1010111000111011…
…0100011101001001
321112201100220102122
42232032310131021
521441304323312
61202020341025
7132303054035
oct25616643511
97481326378
102923120457
111270030734
12696b44775
133777a759a
141da3131c5
15121959b72
hexae3b4749

2923120457 has 2 divisors, whose sum is σ = 2923120458. Its totient is φ = 2923120456.

The previous prime is 2923120391. The next prime is 2923120463. The reversal of 2923120457 is 7540213292.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2328931081 + 594189376 = 48259^2 + 24376^2 .

It is a cyclic number.

It is not a de Polignac number, because 2923120457 - 28 = 2923120201 is a prime.

It is a super-2 number, since 2×29231204572 = 17089266412263777698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2923120157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1461560228 + 1461560229.

It is an arithmetic number, because the mean of its divisors is an integer number (1461560229).

Almost surely, 22923120457 is an apocalyptic number.

It is an amenable number.

2923120457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2923120457 is an equidigital number, since it uses as much as digits as its factorization.

2923120457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2923120457 is about 54065.8899584572. The cubic root of 2923120457 is about 1429.8228637745.

The spelling of 2923120457 in words is "two billion, nine hundred twenty-three million, one hundred twenty thousand, four hundred fifty-seven".