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130261919 is a prime number
BaseRepresentation
bin1111100001110…
…10001110011111
3100002002222202112
413300322032133
5231321340134
620531544235
73141131234
oct760721637
9302088675
10130261919
1167590787
123775b07b
1320caaa78
141342b78b
15b6811ce
hex7c3a39f

130261919 has 2 divisors, whose sum is σ = 130261920. Its totient is φ = 130261918.

The previous prime is 130261897. The next prime is 130261927. The reversal of 130261919 is 919162031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130261919 - 216 = 130196383 is a prime.

It is a super-2 number, since 2×1302619192 = 33936335083125122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130261819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65130959 + 65130960.

It is an arithmetic number, because the mean of its divisors is an integer number (65130960).

Almost surely, 2130261919 is an apocalyptic number.

130261919 is a deficient number, since it is larger than the sum of its proper divisors (1).

130261919 is an equidigital number, since it uses as much as digits as its factorization.

130261919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 130261919 is about 11413.2343794386. The cubic root of 130261919 is about 506.9196861164.

The spelling of 130261919 in words is "one hundred thirty million, two hundred sixty-one thousand, nine hundred nineteen".