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130305619 is a prime number
BaseRepresentation
bin1111100010001…
…00111001010011
3100002012012201001
413301010321103
5231324234434
620532522431
73141402523
oct761047123
9302165631
10130305619
11676105a4
1237780417
1320cc4922
141343d683
15b68e114
hex7c44e53

130305619 has 2 divisors, whose sum is σ = 130305620. Its totient is φ = 130305618.

The previous prime is 130305607. The next prime is 130305631. The reversal of 130305619 is 916503031.

It is a balanced prime because it is at equal distance from previous prime (130305607) and next prime (130305631).

It is a cyclic number.

It is not a de Polignac number, because 130305619 - 29 = 130305107 is a prime.

It is a super-2 number, since 2×1303056192 = 33959108685946322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130305319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65152809 + 65152810.

It is an arithmetic number, because the mean of its divisors is an integer number (65152810).

Almost surely, 2130305619 is an apocalyptic number.

130305619 is a deficient number, since it is larger than the sum of its proper divisors (1).

130305619 is an equidigital number, since it uses as much as digits as its factorization.

130305619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 130305619 is about 11415.1486630705. The cubic root of 130305619 is about 506.9763665689.

The spelling of 130305619 in words is "one hundred thirty million, three hundred five thousand, six hundred nineteen".