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3122457137 is a prime number
BaseRepresentation
bin1011101000011100…
…1110101000110001
322001121110020221122
42322013032220301
522343322112022
61233501032025
7140243306402
oct27207165061
98047406848
103122457137
111362600298
12731855615
133a9b8b997
142189a19a9
151341d2742
hexba1cea31

3122457137 has 2 divisors, whose sum is σ = 3122457138. Its totient is φ = 3122457136.

The previous prime is 3122457119. The next prime is 3122457187. The reversal of 3122457137 is 7317542213.

It is a happy number.

3122457137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3086469136 + 35988001 = 55556^2 + 5999^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122457137 - 26 = 3122457073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3122457097 and 3122457106.

It is not a weakly prime, because it can be changed into another prime (3122457187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561228568 + 1561228569.

It is an arithmetic number, because the mean of its divisors is an integer number (1561228569).

Almost surely, 23122457137 is an apocalyptic number.

It is an amenable number.

3122457137 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122457137 is an equidigital number, since it uses as much as digits as its factorization.

3122457137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 35.

The square root of 3122457137 is about 55878.9507507076. The cubic root of 3122457137 is about 1461.6122080829.

The spelling of 3122457137 in words is "three billion, one hundred twenty-two million, four hundred fifty-seven thousand, one hundred thirty-seven".