Base | Representation |
---|---|
bin | 1111100100100… |
… | …10001111010011 |
3 | 100002210022021101 |
4 | 13302102033103 |
5 | 231414404134 |
6 | 20543405231 |
7 | 3144162244 |
oct | 762221723 |
9 | 302708241 |
10 | 130622419 |
11 | 67807614 |
12 | 378b3817 |
13 | 210a5b95 |
14 | 134c2ccb |
15 | b702e14 |
hex | 7c923d3 |
130622419 has 2 divisors, whose sum is σ = 130622420. Its totient is φ = 130622418.
The previous prime is 130622413. The next prime is 130622483. The reversal of 130622419 is 914226031.
It is a weak prime.
It is an emirp because it is prime and its reverse (914226031) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 130622419 - 27 = 130622291 is a prime.
It is a super-2 number, since 2×1306224192 = 34124432690823122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (130622413) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65311209 + 65311210.
It is an arithmetic number, because the mean of its divisors is an integer number (65311210).
Almost surely, 2130622419 is an apocalyptic number.
130622419 is a deficient number, since it is larger than the sum of its proper divisors (1).
130622419 is an equidigital number, since it uses as much as digits as its factorization.
130622419 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2592, while the sum is 28.
The square root of 130622419 is about 11429.0165368679. The cubic root of 130622419 is about 507.3868889772.
The spelling of 130622419 in words is "one hundred thirty million, six hundred twenty-two thousand, four hundred nineteen".
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