Base | Representation |
---|---|
bin | 10010100110100… |
… | …100100111000001 |
3 | 210202021101111220 |
4 | 102212210213001 |
5 | 1114344220223 |
6 | 50545225253 |
7 | 10506550236 |
oct | 2246444701 |
9 | 722241456 |
10 | 312101313 |
11 | 15019a377 |
12 | 88632229 |
13 | 4c876c44 |
14 | 2d64378d |
15 | 1c5ee6e3 |
hex | 129a49c1 |
312101313 has 8 divisors (see below), whose sum is σ = 417206400. Its totient is φ = 207531888.
The previous prime is 312101299. The next prime is 312101333. The reversal of 312101313 is 313101213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 312101313 - 25 = 312101281 is a prime.
It is a super-3 number, since 3×3121013133 (a number of 26 digits) contains 333 as substring.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 312101292 and 312101301.
It is not an unprimeable number, because it can be changed into a prime (312101333) 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, 132553 + ... + 134886.
It is an arithmetic number, because the mean of its divisors is an integer number (52150800).
Almost surely, 2312101313 is an apocalyptic number.
It is an amenable number.
312101313 is a deficient number, since it is larger than the sum of its proper divisors (105105087).
312101313 is a wasteful number, since it uses less digits than its factorization.
312101313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 267831.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 312101313 is about 17666.3893594588. The cubic root of 312101313 is about 678.3156938642.
Adding to 312101313 its reverse (313101213), we get a palindrome (625202526).
It can be divided in two parts, 31210 and 1313, that added together give a palindrome (32523).
The spelling of 312101313 in words is "three hundred twelve million, one hundred one thousand, three hundred thirteen".
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