Base | Representation |
---|---|
bin | 100111001000100… |
… | …1001111101111010 |
3 | 10101111212102011121 |
4 | 1032101021331322 |
5 | 10142124320442 |
6 | 334144415454 |
7 | 44353223356 |
oct | 11621117572 |
9 | 3344772147 |
10 | 1313120122 |
11 | 614249646 |
12 | 30791758a |
13 | 17c07ca72 |
14 | c6578466 |
15 | 7a432967 |
hex | 4e449f7a |
1313120122 has 16 divisors (see below), whose sum is σ = 2013984000. Its totient is φ = 641825488.
The previous prime is 1313120119. The next prime is 1313120129. The reversal of 1313120122 is 2210213131.
It is a junction number, because it is equal to n+sod(n) for n = 1313120096 and 1313120105.
It is not an unprimeable number, because it can be changed into a prime (1313120129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75504 + ... + 91252.
It is an arithmetic number, because the mean of its divisors is an integer number (125874000).
Almost surely, 21313120122 is an apocalyptic number.
1313120122 is a deficient number, since it is larger than the sum of its proper divisors (700863878).
1313120122 is a wasteful number, since it uses less digits than its factorization.
1313120122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16685.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 1313120122 is about 36236.9993514916. Note that the first 3 decimals coincide. The cubic root of 1313120122 is about 1095.0521918647.
Adding to 1313120122 its reverse (2210213131), we get a palindrome (3523333253).
The spelling of 1313120122 in words is "one billion, three hundred thirteen million, one hundred twenty thousand, one hundred twenty-two".
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