Base | Representation |
---|---|
bin | 100011100010000111011011… |
… | …0001010010100010100101101 |
3 | 1111222122200122201120111121211 |
4 | 1013010032312022110110231 |
5 | 311431323221020131323 |
6 | 3024424243504554421 |
7 | 122556100634646310 |
oct | 10704166612242455 |
9 | 1458580581514554 |
10 | 312552121255213 |
11 | 90652679260254 |
12 | 2b07a841022a11 |
13 | 10552700302888 |
14 | 5727863988977 |
15 | 26202e80bc70d |
hex | 11c43b629452d |
312552121255213 has 8 divisors (see below), whose sum is σ = 357202598000832. Its totient is φ = 267901687936896.
The previous prime is 312552121255207. The next prime is 312552121255289.
312552121255213 is nontrivially palindromic in base 10.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 312552121255213 - 25 = 312552121255181 is a prime.
It is a super-2 number, since 2×3125521212552132 (a number of 30 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312552121256213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6392706 + ... + 25806412.
It is an arithmetic number, because the mean of its divisors is an integer number (44650324750104).
Almost surely, 2312552121255213 is an apocalyptic number.
It is an amenable number.
312552121255213 is a deficient number, since it is larger than the sum of its proper divisors (44650476745619).
312552121255213 is a wasteful number, since it uses less digits than its factorization.
312552121255213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21713651.
The product of its digits is 180000, while the sum is 40.
The spelling of 312552121255213 in words is "three hundred twelve trillion, five hundred fifty-two billion, one hundred twenty-one million, two hundred fifty-five thousand, two hundred thirteen".
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