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130990789 is a prime number
BaseRepresentation
bin1111100111011…
…00001011000101
3100010111000120201
413303230023011
5232013201124
620555330501
73150255226
oct763541305
9303430521
10130990789
1167a39356
1237a50a31
13211a4757
141357b24d
15b777144
hex7cec2c5

130990789 has 2 divisors, whose sum is σ = 130990790. Its totient is φ = 130990788.

The previous prime is 130990759. The next prime is 130990793. The reversal of 130990789 is 987099031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104550625 + 26440164 = 10225^2 + 5142^2 .

It is an emirp because it is prime and its reverse (987099031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130990789 - 221 = 128893637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130990759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65495394 + 65495395.

It is an arithmetic number, because the mean of its divisors is an integer number (65495395).

Almost surely, 2130990789 is an apocalyptic number.

It is an amenable number.

130990789 is a deficient number, since it is larger than the sum of its proper divisors (1).

130990789 is an equidigital number, since it uses as much as digits as its factorization.

130990789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 130990789 is about 11445.1207507828. The cubic root of 130990789 is about 507.8634041260.

The spelling of 130990789 in words is "one hundred thirty million, nine hundred ninety thousand, seven hundred eighty-nine".