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130202279 is a prime number
BaseRepresentation
bin1111100001010…
…11101010100111
3100001222221221122
413300223222213
5231312433104
620530404155
73140462324
oct760535247
9301887848
10130202279
116754a999
123773065b
1320c8988c
1413413b4b
15b66d6be
hex7c2baa7

130202279 has 2 divisors, whose sum is σ = 130202280. Its totient is φ = 130202278.

The previous prime is 130202209. The next prime is 130202299. The reversal of 130202279 is 972202031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130202279 is a prime.

It is a super-3 number, since 3×1302022793 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130202209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65101139 + 65101140.

It is an arithmetic number, because the mean of its divisors is an integer number (65101140).

Almost surely, 2130202279 is an apocalyptic number.

130202279 is a deficient number, since it is larger than the sum of its proper divisors (1).

130202279 is an equidigital number, since it uses as much as digits as its factorization.

130202279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 130202279 is about 11410.6213240121. The cubic root of 130202279 is about 506.8423104580.

The spelling of 130202279 in words is "one hundred thirty million, two hundred two thousand, two hundred seventy-nine".