Base | Representation |
---|---|
bin | 10011000110001100011… |
… | …111111111100000101010 |
3 | 11122110022222210012020021 |
4 | 103012030133333200222 |
5 | 133000113442101442 |
6 | 2442512243351054 |
7 | 163545365560252 |
oct | 23061437774052 |
9 | 4573288705207 |
10 | 1312322222122 |
11 | 46660975603a |
12 | 19240608248a |
13 | 9699cc3a732 |
14 | 47733cc2962 |
15 | 2420aae3e67 |
hex | 1318c7ff82a |
1312322222122 has 32 divisors (see below), whose sum is σ = 2153151705600. Its totient is φ = 597499374528.
The previous prime is 1312322222039. The next prime is 1312322222131. The reversal of 1312322222122 is 2212222232131.
It is a super-3 number, since 3×13123222221223 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424333 + ... + 2915824.
It is an arithmetic number, because the mean of its divisors is an integer number (67285990800).
Almost surely, 21312322222122 is an apocalyptic number.
1312322222122 is a deficient number, since it is larger than the sum of its proper divisors (840829483478).
1312322222122 is a wasteful number, since it uses less digits than its factorization.
1312322222122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5340430.
The product of its digits is 2304, while the sum is 25.
Adding to 1312322222122 its reverse (2212222232131), we get a palindrome (3524544454253).
The spelling of 1312322222122 in words is "one trillion, three hundred twelve billion, three hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".
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