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130189819 is a prime number
BaseRepresentation
bin1111100001010…
…00100111111011
3100001222022212011
413300220213323
5231312033234
620530230351
73140411104
oct760504773
9301868764
10130189819
11675415a1
12377253b7
1320c83cc6
141340d3ab
15b669b64
hex7c289fb

130189819 has 2 divisors, whose sum is σ = 130189820. Its totient is φ = 130189818.

The previous prime is 130189781. The next prime is 130189841. The reversal of 130189819 is 918981031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130189819 - 29 = 130189307 is a prime.

It is a super-2 number, since 2×1301898192 = 33898777942505522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130189849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65094909 + 65094910.

It is an arithmetic number, because the mean of its divisors is an integer number (65094910).

Almost surely, 2130189819 is an apocalyptic number.

130189819 is a deficient number, since it is larger than the sum of its proper divisors (1).

130189819 is an equidigital number, since it uses as much as digits as its factorization.

130189819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 40.

The square root of 130189819 is about 11410.0753284104. The cubic root of 130189819 is about 506.8261421372.

The spelling of 130189819 in words is "one hundred thirty million, one hundred eighty-nine thousand, eight hundred nineteen".