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130556273 is a prime number
BaseRepresentation
bin1111100100000…
…10000101110001
3100002122221112112
413302002011301
5231410300043
620542135105
73143465351
oct762020561
9302587475
10130556273
1167771951
1237881495
1321081a43
14134a6b61
15b6dd518
hex7c82171

130556273 has 2 divisors, whose sum is σ = 130556274. Its totient is φ = 130556272.

The previous prime is 130556263. The next prime is 130556281. The reversal of 130556273 is 372655031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118222129 + 12334144 = 10873^2 + 3512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130556273 is a prime.

It is not a weakly prime, because it can be changed into another prime (130556263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65278136 + 65278137.

It is an arithmetic number, because the mean of its divisors is an integer number (65278137).

Almost surely, 2130556273 is an apocalyptic number.

It is an amenable number.

130556273 is a deficient number, since it is larger than the sum of its proper divisors (1).

130556273 is an equidigital number, since it uses as much as digits as its factorization.

130556273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 130556273 is about 11426.1223956336. The cubic root of 130556273 is about 507.3012291543.

The spelling of 130556273 in words is "one hundred thirty million, five hundred fifty-six thousand, two hundred seventy-three".