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130067209 is a prime number
BaseRepresentation
bin1111100000010…
…10101100001001
3100001202002200001
413300022230021
5231244122314
620523443001
73136360456
oct760125411
9301662601
10130067209
1167468468
1237686461
1320c4025c
14133ba82d
15b643674
hex7c0ab09

130067209 has 2 divisors, whose sum is σ = 130067210. Its totient is φ = 130067208.

The previous prime is 130067137. The next prime is 130067213. The reversal of 130067209 is 902760031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66912400 + 63154809 = 8180^2 + 7947^2 .

It is a cyclic number.

It is not a de Polignac number, because 130067209 - 27 = 130067081 is a prime.

It is not a weakly prime, because it can be changed into another prime (130067269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65033604 + 65033605.

It is an arithmetic number, because the mean of its divisors is an integer number (65033605).

Almost surely, 2130067209 is an apocalyptic number.

It is an amenable number.

130067209 is a deficient number, since it is larger than the sum of its proper divisors (1).

130067209 is an equidigital number, since it uses as much as digits as its factorization.

130067209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 130067209 is about 11404.7011797767. The cubic root of 130067209 is about 506.6669861398. Note that the first 3 decimals are identical.

The spelling of 130067209 in words is "one hundred thirty million, sixty-seven thousand, two hundred nine".