Base | Representation |
---|---|
bin | 111100101000111011… |
… | …0000000011110110001 |
3 | 110110010101220200020101 |
4 | 1321101312000132301 |
5 | 4113143331143441 |
6 | 135453452112401 |
7 | 12260011564645 |
oct | 1712166003661 |
9 | 413111820211 |
10 | 130222131121 |
11 | 50254aa8575 |
12 | 212a3165701 |
13 | c383c0a274 |
14 | 6434bacc25 |
15 | 35c25e0231 |
hex | 1e51d807b1 |
130222131121 has 2 divisors, whose sum is σ = 130222131122. Its totient is φ = 130222131120.
The previous prime is 130222131119. The next prime is 130222131173. The reversal of 130222131121 is 121131222031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 117350094096 + 12872037025 = 342564^2 + 113455^2 .
It is a cyclic number.
It is not a de Polignac number, because 130222131121 - 21 = 130222131119 is a prime.
Together with 130222131119, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (130222131421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65111065560 + 65111065561.
It is an arithmetic number, because the mean of its divisors is an integer number (65111065561).
Almost surely, 2130222131121 is an apocalyptic number.
It is an amenable number.
130222131121 is a deficient number, since it is larger than the sum of its proper divisors (1).
130222131121 is an equidigital number, since it uses as much as digits as its factorization.
130222131121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 130222131121 its reverse (121131222031), we get a palindrome (251353353152).
The spelling of 130222131121 in words is "one hundred thirty billion, two hundred twenty-two million, one hundred thirty-one thousand, one hundred twenty-one".
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