Search a number
-
+
130706687 is a prime number
BaseRepresentation
bin1111100101001…
…10110011111111
3100002221120212102
413302212303333
5231430103222
620545255315
73144663026
oct762466377
9302846772
10130706687
1167864961
123793453b
1321105347
14135058bd
15b71cd92
hex7ca6cff

130706687 has 2 divisors, whose sum is σ = 130706688. Its totient is φ = 130706686.

The previous prime is 130706651. The next prime is 130706689. The reversal of 130706687 is 786607031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130706687 - 26 = 130706623 is a prime.

Together with 130706689, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130706687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130706689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65353343 + 65353344.

It is an arithmetic number, because the mean of its divisors is an integer number (65353344).

Almost surely, 2130706687 is an apocalyptic number.

130706687 is a deficient number, since it is larger than the sum of its proper divisors (1).

130706687 is an equidigital number, since it uses as much as digits as its factorization.

130706687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 130706687 is about 11432.7025239005. The cubic root of 130706687 is about 507.4959751191.

The spelling of 130706687 in words is "one hundred thirty million, seven hundred six thousand, six hundred eighty-seven".