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130232129 is a prime number
BaseRepresentation
bin1111100001100…
…10111101000001
3100002001110220012
413300302331001
5231314412004
620531154305
73140645336
oct760627501
9302043805
10130232129
1167570365
1237745995
1320c9a341
141342098d
15b67746e
hex7c32f41

130232129 has 2 divisors, whose sum is σ = 130232130. Its totient is φ = 130232128.

The previous prime is 130232093. The next prime is 130232153. The reversal of 130232129 is 921232031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99540529 + 30691600 = 9977^2 + 5540^2 .

It is a cyclic number.

It is not a de Polignac number, because 130232129 - 220 = 129183553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130232929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65116064 + 65116065.

It is an arithmetic number, because the mean of its divisors is an integer number (65116065).

Almost surely, 2130232129 is an apocalyptic number.

It is an amenable number.

130232129 is a deficient number, since it is larger than the sum of its proper divisors (1).

130232129 is an equidigital number, since it uses as much as digits as its factorization.

130232129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 130232129 is about 11411.9292409303. The cubic root of 130232129 is about 506.8810401614.

The spelling of 130232129 in words is "one hundred thirty million, two hundred thirty-two thousand, one hundred twenty-nine".