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130421273 is a prime number
BaseRepresentation
bin1111100011000…
…01001000011001
3100002102002100112
413301201020121
5231341440043
620535214105
73142363643
oct761411031
9302362315
10130421273
116768a484
1237817335
1321035468
141346d893
15b6b3518
hex7c61219

130421273 has 2 divisors, whose sum is σ = 130421274. Its totient is φ = 130421272.

The previous prime is 130421243. The next prime is 130421281. The reversal of 130421273 is 372124031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127870864 + 2550409 = 11308^2 + 1597^2 .

It is a cyclic number.

It is not a de Polignac number, because 130421273 - 26 = 130421209 is a prime.

It is not a weakly prime, because it can be changed into another prime (130421243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65210636 + 65210637.

It is an arithmetic number, because the mean of its divisors is an integer number (65210637).

Almost surely, 2130421273 is an apocalyptic number.

It is an amenable number.

130421273 is a deficient number, since it is larger than the sum of its proper divisors (1).

130421273 is an equidigital number, since it uses as much as digits as its factorization.

130421273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 130421273 is about 11420.2133517724. The cubic root of 130421273 is about 507.1263127919.

The spelling of 130421273 in words is "one hundred thirty million, four hundred twenty-one thousand, two hundred seventy-three".