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130398797 is a prime number
BaseRepresentation
bin1111100010110…
…11101001001101
3100002100221112002
413301123221031
5231340230142
620534522045
73142241264
oct761335115
9302327462
10130398797
1167674601
1237806325
1321028169
14134655db
15b6aba32
hex7c5ba4d

130398797 has 2 divisors, whose sum is σ = 130398798. Its totient is φ = 130398796.

The previous prime is 130398781. The next prime is 130398809. The reversal of 130398797 is 797893031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121242121 + 9156676 = 11011^2 + 3026^2 .

It is a cyclic number.

It is not a de Polignac number, because 130398797 - 24 = 130398781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130398097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65199398 + 65199399.

It is an arithmetic number, because the mean of its divisors is an integer number (65199399).

Almost surely, 2130398797 is an apocalyptic number.

It is an amenable number.

130398797 is a deficient number, since it is larger than the sum of its proper divisors (1).

130398797 is an equidigital number, since it uses as much as digits as its factorization.

130398797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 130398797 is about 11419.2292647096. The cubic root of 130398797 is about 507.0971794418.

The spelling of 130398797 in words is "one hundred thirty million, three hundred ninety-eight thousand, seven hundred ninety-seven".