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130120169 is a prime number
BaseRepresentation
bin1111100000101…
…11100111101001
3100001211210022112
413300113213221
5231302321134
620524532105
73140001044
oct760274751
9301753275
10130120169
11674a4233
12376b1035
1320c5b3aa
14133d1c5b
15b6541ce
hex7c179e9

130120169 has 2 divisors, whose sum is σ = 130120170. Its totient is φ = 130120168.

The previous prime is 130120153. The next prime is 130120181. The reversal of 130120169 is 961021031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113145769 + 16974400 = 10637^2 + 4120^2 .

It is a cyclic number.

It is not a de Polignac number, because 130120169 - 24 = 130120153 is a prime.

It is a super-2 number, since 2×1301201692 = 33862516761177122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130120139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65060084 + 65060085.

It is an arithmetic number, because the mean of its divisors is an integer number (65060085).

Almost surely, 2130120169 is an apocalyptic number.

It is an amenable number.

130120169 is a deficient number, since it is larger than the sum of its proper divisors (1).

130120169 is an equidigital number, since it uses as much as digits as its factorization.

130120169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 130120169 is about 11407.0227929991. The cubic root of 130120169 is about 506.7357440348.

The spelling of 130120169 in words is "one hundred thirty million, one hundred twenty thousand, one hundred sixty-nine".