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130632287 is a prime number
BaseRepresentation
bin1111100100101…
…00101001011111
3100002210210210212
413302110221133
5231420213122
620543523035
73144233102
oct762245137
9302723725
10130632287
1167813a75
12378b947b
13210aa516
14134c6739
15b705ce2
hex7c94a5f

130632287 has 2 divisors, whose sum is σ = 130632288. Its totient is φ = 130632286.

The previous prime is 130632263. The next prime is 130632319. The reversal of 130632287 is 782236031.

It is a happy number.

It is an a-pointer prime, because the next prime (130632319) can be obtained adding 130632287 to its sum of digits (32).

It is a weak prime.

It is an emirp because it is prime and its reverse (782236031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130632287 - 218 = 130370143 is a prime.

It is equal to p7411946 and since 130632287 and 7411946 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130632217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65316143 + 65316144.

It is an arithmetic number, because the mean of its divisors is an integer number (65316144).

Almost surely, 2130632287 is an apocalyptic number.

130632287 is a deficient number, since it is larger than the sum of its proper divisors (1).

130632287 is an equidigital number, since it uses as much as digits as its factorization.

130632287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 130632287 is about 11429.4482369010. The cubic root of 130632287 is about 507.3996656705.

The spelling of 130632287 in words is "one hundred thirty million, six hundred thirty-two thousand, two hundred eighty-seven".