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129313007 is a prime number
BaseRepresentation
bin1111011010100…
…10100011101111
3100000022210002122
413231102203233
5231101004012
620455343155
73130066565
oct755224357
9300283078
10129313007
1166aa285a
1237381abb
1320a37b95
1413261a35
15b544e72
hex7b528ef

129313007 has 2 divisors, whose sum is σ = 129313008. Its totient is φ = 129313006.

The previous prime is 129312991. The next prime is 129313013. The reversal of 129313007 is 700313921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129313007 - 24 = 129312991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129313907) 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, 64656503 + 64656504.

It is an arithmetic number, because the mean of its divisors is an integer number (64656504).

Almost surely, 2129313007 is an apocalyptic number.

129313007 is a deficient number, since it is larger than the sum of its proper divisors (1).

129313007 is an equidigital number, since it uses as much as digits as its factorization.

129313007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 129313007 is about 11371.5877079676. The cubic root of 129313007 is about 505.6857748488.

Adding to 129313007 its reverse (700313921), we get a palindrome (829626928).

The spelling of 129313007 in words is "one hundred twenty-nine million, three hundred thirteen thousand, seven".