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130285913 is a prime number
BaseRepresentation
bin1111100010000…
…00000101011001
3100002011012200012
413301000011121
5231323122123
620532251305
73141261212
oct761000531
9302135605
10130285913
11675a780a
1237770b35
1320cb8974
1413436409
15b688378
hex7c40159

130285913 has 2 divisors, whose sum is σ = 130285914. Its totient is φ = 130285912.

The previous prime is 130285891. The next prime is 130285921. The reversal of 130285913 is 319582031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86620249 + 43665664 = 9307^2 + 6608^2 .

It is a cyclic number.

It is not a de Polignac number, because 130285913 - 26 = 130285849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130285913.

It is not a weakly prime, because it can be changed into another prime (130285933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65142956 + 65142957.

It is an arithmetic number, because the mean of its divisors is an integer number (65142957).

Almost surely, 2130285913 is an apocalyptic number.

It is an amenable number.

130285913 is a deficient number, since it is larger than the sum of its proper divisors (1).

130285913 is an equidigital number, since it uses as much as digits as its factorization.

130285913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 130285913 is about 11414.2854791704. The cubic root of 130285913 is about 506.9508087558.

The spelling of 130285913 in words is "one hundred thirty million, two hundred eighty-five thousand, nine hundred thirteen".