Search a number
-
+
130876321 is a prime number
BaseRepresentation
bin1111100110100…
…00001110100001
3100010021012120011
413303100032201
5232001020241
620553044521
73146300422
oct763201641
9303235504
10130876321
1167970354
12379b6741
1321164614
141354b649
15b753281
hex7cd03a1

130876321 has 2 divisors, whose sum is σ = 130876322. Its totient is φ = 130876320.

The previous prime is 130876307. The next prime is 130876331. The reversal of 130876321 is 123678031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130850721 + 25600 = 11439^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 130876321 - 215 = 130843553 is a prime.

It is a super-2 number, since 2×1308763212 = 34257222796990082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130876331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65438160 + 65438161.

It is an arithmetic number, because the mean of its divisors is an integer number (65438161).

Almost surely, 2130876321 is an apocalyptic number.

It is an amenable number.

130876321 is a deficient number, since it is larger than the sum of its proper divisors (1).

130876321 is an equidigital number, since it uses as much as digits as its factorization.

130876321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 130876321 is about 11440.1189242070. The cubic root of 130876321 is about 507.7154266726.

The spelling of 130876321 in words is "one hundred thirty million, eight hundred seventy-six thousand, three hundred twenty-one".