Base | Representation |
---|---|
bin | 1111100001100… |
… | …00000001011010 |
3 | 100002000212102111 |
4 | 13300300001122 |
5 | 231314020442 |
6 | 20531022534 |
7 | 3140565334 |
oct | 760600132 |
9 | 302025374 |
10 | 130220122 |
11 | 6756233a |
12 | 3773aa4a |
13 | 20c94a36 |
14 | 1341a454 |
15 | b673b17 |
hex | 7c3005a |
130220122 has 4 divisors (see below), whose sum is σ = 195330186. Its totient is φ = 65110060.
The previous prime is 130220117. The next prime is 130220143. The reversal of 130220122 is 221022031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221022031 = 53 ⋅4170227.
It can be written as a sum of positive squares in only one way, i.e., 114939841 + 15280281 = 10721^2 + 3909^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32555029 + ... + 32555032.
Almost surely, 2130220122 is an apocalyptic number.
130220122 is a deficient number, since it is larger than the sum of its proper divisors (65110064).
130220122 is an equidigital number, since it uses as much as digits as its factorization.
130220122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65110063.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 130220122 is about 11411.4031564922. The cubic root of 130220122 is about 506.8654620606.
Adding to 130220122 its reverse (221022031), we get a palindrome (351242153).
The spelling of 130220122 in words is "one hundred thirty million, two hundred twenty thousand, one hundred twenty-two".
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