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129930263 is a prime number
BaseRepresentation
bin1111011111010…
…01010000010111
3100001111010210222
413233221100113
5231230232023
620520504555
73135250301
oct757512027
9301433728
10129930263
1167384591
123761b15b
1320bc2b18
1413382971
15b617cc8
hex7be9417

129930263 has 2 divisors, whose sum is σ = 129930264. Its totient is φ = 129930262.

The previous prime is 129930247. The next prime is 129930293. The reversal of 129930263 is 362039921.

It is a weak prime.

It is an emirp because it is prime and its reverse (362039921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129930263 - 24 = 129930247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129930223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64965131 + 64965132.

It is an arithmetic number, because the mean of its divisors is an integer number (64965132).

Almost surely, 2129930263 is an apocalyptic number.

129930263 is a deficient number, since it is larger than the sum of its proper divisors (1).

129930263 is an equidigital number, since it uses as much as digits as its factorization.

129930263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 129930263 is about 11398.6956709967. The cubic root of 129930263 is about 506.4891027626.

The spelling of 129930263 in words is "one hundred twenty-nine million, nine hundred thirty thousand, two hundred sixty-three".