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130215571 is a prime number
BaseRepresentation
bin1111100001011…
…10111010010011
3100002000122011221
413300232322103
5231313344241
620530545511
73140546143
oct760567223
9302018157
10130215571
1167559982
1237738297
1320c92945
1413418923
15b6725d1
hex7c2ee93

130215571 has 2 divisors, whose sum is σ = 130215572. Its totient is φ = 130215570.

The previous prime is 130215559. The next prime is 130215577. The reversal of 130215571 is 175512031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130215571 - 223 = 121826963 is a prime.

It is not a weakly prime, because it can be changed into another prime (130215577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65107785 + 65107786.

It is an arithmetic number, because the mean of its divisors is an integer number (65107786).

Almost surely, 2130215571 is an apocalyptic number.

130215571 is a deficient number, since it is larger than the sum of its proper divisors (1).

130215571 is an equidigital number, since it uses as much as digits as its factorization.

130215571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 130215571 is about 11411.2037489478. The cubic root of 130215571 is about 506.8595572599.

The spelling of 130215571 in words is "one hundred thirty million, two hundred fifteen thousand, five hundred seventy-one".