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3112145297 is a prime number
BaseRepresentation
bin1011100101111111…
…1001000110010001
322000220001100202122
42321133321012101
522333202122142
61232452024025
7140056540622
oct27137710621
98026040678
103112145297
1113577a7908
1272a302015
133a79bb1c1
14217479a49
151333471d2
hexb97f9191

3112145297 has 2 divisors, whose sum is σ = 3112145298. Its totient is φ = 3112145296.

The previous prime is 3112145291. The next prime is 3112145327. The reversal of 3112145297 is 7925412113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2718162496 + 393982801 = 52136^2 + 19849^2 .

It is an emirp because it is prime and its reverse (7925412113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3112145297 - 26 = 3112145233 is a prime.

It is not a weakly prime, because it can be changed into another prime (3112145291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556072648 + 1556072649.

It is an arithmetic number, because the mean of its divisors is an integer number (1556072649).

Almost surely, 23112145297 is an apocalyptic number.

It is an amenable number.

3112145297 is a deficient number, since it is larger than the sum of its proper divisors (1).

3112145297 is an equidigital number, since it uses as much as digits as its factorization.

3112145297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 3112145297 is about 55786.6049961817. The cubic root of 3112145297 is about 1460.0014538360.

The spelling of 3112145297 in words is "three billion, one hundred twelve million, one hundred forty-five thousand, two hundred ninety-seven".