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130415209 is a prime number
BaseRepresentation
bin1111100010111…
…11101001101001
3100002101210000221
413301133221221
5231341241314
620535130041
73142340161
oct761375151
9302353027
10130415209
1167685971
1237813921
1321032782
141346b5a1
15b6b1824
hex7c5fa69

130415209 has 2 divisors, whose sum is σ = 130415210. Its totient is φ = 130415208.

The previous prime is 130415141. The next prime is 130415237. The reversal of 130415209 is 902514031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126067984 + 4347225 = 11228^2 + 2085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130415209 is a prime.

It is not a weakly prime, because it can be changed into another prime (130415809) 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, 65207604 + 65207605.

It is an arithmetic number, because the mean of its divisors is an integer number (65207605).

Almost surely, 2130415209 is an apocalyptic number.

It is an amenable number.

130415209 is a deficient number, since it is larger than the sum of its proper divisors (1).

130415209 is an equidigital number, since it uses as much as digits as its factorization.

130415209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 130415209 is about 11419.9478545219. The cubic root of 130415209 is about 507.1184529759.

The spelling of 130415209 in words is "one hundred thirty million, four hundred fifteen thousand, two hundred nine".