Base | Representation |
---|---|
bin | 100011100111101000111010… |
… | …0001010001010011110100101 |
3 | 1112002100021000211200012221222 |
4 | 1013033101310022022132211 |
5 | 312031242341110130041 |
6 | 3030205104444350125 |
7 | 122664663120300614 |
oct | 10717216412123645 |
9 | 1462307024605858 |
10 | 313311223130021 |
11 | 909155a84a5186 |
12 | 2b181992845345 |
13 | 105a917710b76c |
14 | 57524b635387b |
15 | 2634e25b1b74b |
hex | 11cf47428a7a5 |
313311223130021 has 8 divisors (see below), whose sum is σ = 315207285672384. Its totient is φ = 311415398057440.
The previous prime is 313311223129913. The next prime is 313311223130041. The reversal of 313311223130021 is 120031322113313.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-313311223130021 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (313311223130041) 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, 56720360 + ... + 61998561.
It is an arithmetic number, because the mean of its divisors is an integer number (39400910709048).
Almost surely, 2313311223130021 is an apocalyptic number.
It is an amenable number.
313311223130021 is a deficient number, since it is larger than the sum of its proper divisors (1896062542363).
313311223130021 is a wasteful number, since it uses less digits than its factorization.
313311223130021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118734891.
The product of its (nonzero) digits is 1944, while the sum is 26.
Adding to 313311223130021 its reverse (120031322113313), we get a palindrome (433342545243334).
The spelling of 313311223130021 in words is "three hundred thirteen trillion, three hundred eleven billion, two hundred twenty-three million, one hundred thirty thousand, twenty-one".
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