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130786273 is a prime number
BaseRepresentation
bin1111100101110…
…10001111100001
3100010002122001001
413302322033201
5231440130043
620551112001
73145444042
oct762721741
9303078031
10130786273
1167909732
1237972601
1321132637
14135268c9
15b73674d
hex7cba3e1

130786273 has 2 divisors, whose sum is σ = 130786274. Its totient is φ = 130786272.

The previous prime is 130786267. The next prime is 130786307. The reversal of 130786273 is 372687031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74356129 + 56430144 = 8623^2 + 7512^2 .

It is a cyclic number.

It is not a de Polignac number, because 130786273 - 217 = 130655201 is a prime.

It is not a weakly prime, because it can be changed into another prime (130786373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65393136 + 65393137.

It is an arithmetic number, because the mean of its divisors is an integer number (65393137).

Almost surely, 2130786273 is an apocalyptic number.

It is an amenable number.

130786273 is a deficient number, since it is larger than the sum of its proper divisors (1).

130786273 is an equidigital number, since it uses as much as digits as its factorization.

130786273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 130786273 is about 11436.1826235855. The cubic root of 130786273 is about 507.5989573020.

The spelling of 130786273 in words is "one hundred thirty million, seven hundred eighty-six thousand, two hundred seventy-three".