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512130293 is a prime number
BaseRepresentation
bin11110100001100…
…111110011110101
31022200122220200122
4132201213303311
52022101132133
6122452421325
715456015143
oct3641476365
91280586618
10512130293
112430a2084
12123617845
138214149c
144c032593
152ee62498
hex1e867cf5

512130293 has 2 divisors, whose sum is σ = 512130294. Its totient is φ = 512130292.

The previous prime is 512130263. The next prime is 512130329. The reversal of 512130293 is 392031215.

Together with next prime (512130329) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275493604 + 236636689 = 16598^2 + 15383^2 .

It is a cyclic number.

It is not a de Polignac number, because 512130293 - 28 = 512130037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512130263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256065146 + 256065147.

It is an arithmetic number, because the mean of its divisors is an integer number (256065147).

Almost surely, 2512130293 is an apocalyptic number.

It is an amenable number.

512130293 is a deficient number, since it is larger than the sum of its proper divisors (1).

512130293 is an equidigital number, since it uses as much as digits as its factorization.

512130293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 512130293 is about 22630.2959105709. The cubic root of 512130293 is about 800.0678551819.

The spelling of 512130293 in words is "five hundred twelve million, one hundred thirty thousand, two hundred ninety-three".