Search a number
-
+
129700313 is a prime number
BaseRepresentation
bin1111011101100…
…01000111011001
3100001001110101022
413232301013121
5231200402223
620511532225
73133302011
oct756610731
9301043338
10129700313
1167237846
123752a075
1320b42262
1413322c41
15b5beac8
hex7bb11d9

129700313 has 2 divisors, whose sum is σ = 129700314. Its totient is φ = 129700312.

The previous prime is 129700303. The next prime is 129700321. The reversal of 129700313 is 313007921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125260864 + 4439449 = 11192^2 + 2107^2 .

It is a cyclic number.

It is not a de Polignac number, because 129700313 - 210 = 129699289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (129700303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64850156 + 64850157.

It is an arithmetic number, because the mean of its divisors is an integer number (64850157).

Almost surely, 2129700313 is an apocalyptic number.

It is an amenable number.

129700313 is a deficient number, since it is larger than the sum of its proper divisors (1).

129700313 is an equidigital number, since it uses as much as digits as its factorization.

129700313 is an evil number, because the sum of its binary digits is even.

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

The square root of 129700313 is about 11388.6045238212. The cubic root of 129700313 is about 506.1901322692.

The spelling of 129700313 in words is "one hundred twenty-nine million, seven hundred thousand, three hundred thirteen".