Base | Representation |
---|---|
bin | 100111000100101… |
… | …1000101001110010 |
3 | 10101101000220221011 |
4 | 1032021120221302 |
5 | 10141114124442 |
6 | 334033021134 |
7 | 44330010526 |
oct | 11611305162 |
9 | 3341026834 |
10 | 1311083122 |
11 | 613088178 |
12 | 3070b47aa |
13 | 17b81883b |
14 | c61a7d86 |
15 | 7a17e117 |
hex | 4e258a72 |
1311083122 has 24 divisors (see below), whose sum is σ = 2059821036. Its totient is φ = 625828896.
The previous prime is 1311083113. The next prime is 1311083149. The reversal of 1311083122 is 2213801131.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1233484641 + 77598481 = 35121^2 + 8809^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1311083093 and 1311083102.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 800088 + ... + 801724.
Almost surely, 21311083122 is an apocalyptic number.
1311083122 is a deficient number, since it is larger than the sum of its proper divisors (748737914).
1311083122 is a wasteful number, since it uses less digits than its factorization.
1311083122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2442 (or 2419 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 22.
The square root of 1311083122 is about 36208.8818109590. The cubic root of 1311083122 is about 1094.4856593486.
Adding to 1311083122 its reverse (2213801131), we get a palindrome (3524884253).
The spelling of 1311083122 in words is "one billion, three hundred eleven million, eighty-three thousand, one hundred twenty-two".
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