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1513290917 is a prime number
BaseRepresentation
bin101101000110010…
…1111110010100101
310220110112010212202
41122030233302211
511044400302132
6410055024245
752333521605
oct13214576245
93813463782
101513290917
11707238956
1236296b085
131b1696a18
14104da2c05
158ccc2762
hex5a32fca5

1513290917 has 2 divisors, whose sum is σ = 1513290918. Its totient is φ = 1513290916.

The previous prime is 1513290907. The next prime is 1513290971. The reversal of 1513290917 is 7190923151.

Together with next prime (1513290971) 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., 1336560481 + 176730436 = 36559^2 + 13294^2 .

It is a cyclic number.

It is not a de Polignac number, because 1513290917 - 24 = 1513290901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513290907) 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, 756645458 + 756645459.

It is an arithmetic number, because the mean of its divisors is an integer number (756645459).

Almost surely, 21513290917 is an apocalyptic number.

It is an amenable number.

1513290917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513290917 is an equidigital number, since it uses as much as digits as its factorization.

1513290917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 1513290917 is about 38901.0400503637. The cubic root of 1513290917 is about 1148.0852616384.

The spelling of 1513290917 in words is "one billion, five hundred thirteen million, two hundred ninety thousand, nine hundred seventeen".