Base | Representation |
---|---|
bin | 10010101010000… |
… | …010011111001010 |
3 | 210210222120011111 |
4 | 102222002133022 |
5 | 1120112310442 |
6 | 51020520534 |
7 | 10520353645 |
oct | 2252023712 |
9 | 723876144 |
10 | 313010122 |
11 | 150760157 |
12 | 889b014a |
13 | 4cb047b9 |
14 | 2d7dca5c |
15 | 1c72db17 |
hex | 12a827ca |
313010122 has 4 divisors (see below), whose sum is σ = 469515186. Its totient is φ = 156505060.
The previous prime is 313010107. The next prime is 313010129. The reversal of 313010122 is 221010313.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221010313 = 157 ⋅1407709.
It can be written as a sum of positive squares in only one way, i.e., 310852161 + 2157961 = 17631^2 + 1469^2 .
It is not an unprimeable number, because it can be changed into a prime (313010129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78252529 + ... + 78252532.
Almost surely, 2313010122 is an apocalyptic number.
313010122 is a deficient number, since it is larger than the sum of its proper divisors (156505064).
313010122 is a wasteful number, since it uses less digits than its factorization.
313010122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 156505063.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 313010122 is about 17692.0920752748. The cubic root of 313010122 is about 678.9734525161.
Adding to 313010122 its reverse (221010313), we get a palindrome (534020435).
The spelling of 313010122 in words is "three hundred thirteen million, ten thousand, one hundred twenty-two".
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