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130708213 is a prime number
BaseRepresentation
bin1111100101001…
…11001011110101
3100002221122221221
413302213023311
5231430130323
620545310341
73145000336
oct762471365
9302848857
10130708213
1167866019
12379353b1
1321105c4c
141350628d
15b71d55d
hex7ca72f5

130708213 has 2 divisors, whose sum is σ = 130708214. Its totient is φ = 130708212.

The previous prime is 130708169. The next prime is 130708219. The reversal of 130708213 is 312807031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111365809 + 19342404 = 10553^2 + 4398^2 .

It is a cyclic number.

It is not a de Polignac number, because 130708213 - 29 = 130707701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130708219) 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, 65354106 + 65354107.

It is an arithmetic number, because the mean of its divisors is an integer number (65354107).

Almost surely, 2130708213 is an apocalyptic number.

It is an amenable number.

130708213 is a deficient number, since it is larger than the sum of its proper divisors (1).

130708213 is an equidigital number, since it uses as much as digits as its factorization.

130708213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 130708213 is about 11432.7692620817. The cubic root of 130708213 is about 507.4979501159.

The spelling of 130708213 in words is "one hundred thirty million, seven hundred eight thousand, two hundred thirteen".