Base | Representation |
---|---|
bin | 1111011111111… |
… | …11101101101011 |
3 | 100001122210222221 |
4 | 13233333231223 |
5 | 231241203001 |
6 | 20522454511 |
7 | 3136112422 |
oct | 757775553 |
9 | 301583887 |
10 | 130022251 |
11 | 67437707 |
12 | 37664437 |
13 | 20c25958 |
14 | 133a82b9 |
15 | b6351a1 |
hex | 7bffb6b |
130022251 has 2 divisors, whose sum is σ = 130022252. Its totient is φ = 130022250.
The previous prime is 130022231. The next prime is 130022281. The reversal of 130022251 is 152220031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 130022251 - 211 = 130020203 is a prime.
It is not a weakly prime, because it can be changed into another prime (130022231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65011125 + 65011126.
It is an arithmetic number, because the mean of its divisors is an integer number (65011126).
Almost surely, 2130022251 is an apocalyptic number.
130022251 is a deficient number, since it is larger than the sum of its proper divisors (1).
130022251 is an equidigital number, since it uses as much as digits as its factorization.
130022251 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 120, while the sum is 16.
The square root of 130022251 is about 11402.7299801407. The cubic root of 130022251 is about 506.6086025816.
Adding to 130022251 its reverse (152220031), we get a palindrome (282242282).
The spelling of 130022251 in words is "one hundred thirty million, twenty-two thousand, two hundred fifty-one".
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