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130205827 is a prime number
BaseRepresentation
bin1111100001011…
…00100010000011
3100002000010211001
413300230202003
5231313041302
620530432431
73140505553
oct760544203
9302003731
10130205827
1167552624
1237732717
1320c8b38b
1413415163
15b66e787
hex7c2c883

130205827 has 2 divisors, whose sum is σ = 130205828. Its totient is φ = 130205826.

The previous prime is 130205819. The next prime is 130205833. The reversal of 130205827 is 728502031.

It is a strong prime.

It is an emirp because it is prime and its reverse (728502031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130205827 - 23 = 130205819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130205795 and 130205804.

It is not a weakly prime, because it can be changed into another prime (130205837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65102913 + 65102914.

It is an arithmetic number, because the mean of its divisors is an integer number (65102914).

Almost surely, 2130205827 is an apocalyptic number.

130205827 is a deficient number, since it is larger than the sum of its proper divisors (1).

130205827 is an equidigital number, since it uses as much as digits as its factorization.

130205827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 130205827 is about 11410.7767921382. The cubic root of 130205827 is about 506.8469142181.

Adding to 130205827 its reverse (728502031), we get a palindrome (858707858).

The spelling of 130205827 in words is "one hundred thirty million, two hundred five thousand, eight hundred twenty-seven".