Base | Representation |
---|---|
bin | 10010101010110… |
… | …100000100011010 |
3 | 210211100212202021 |
4 | 102222310010122 |
5 | 1120140310320 |
6 | 51025125054 |
7 | 10522161022 |
oct | 2252640432 |
9 | 724325667 |
10 | 313213210 |
11 | 1508897a2 |
12 | 88a8978a |
13 | 4cb7607b |
14 | 2d852a82 |
15 | 1c76ddaa |
hex | 12ab411a |
313213210 has 8 divisors (see below), whose sum is σ = 563783796. Its totient is φ = 125285280.
The previous prime is 313213207. The next prime is 313213231. The reversal of 313213210 is 12312313.
It can be written as a sum of positive squares in 2 ways, for example, as 272547081 + 40666129 = 16509^2 + 6377^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15660651 + ... + 15660670.
Almost surely, 2313213210 is an apocalyptic number.
313213210 is a deficient number, since it is larger than the sum of its proper divisors (250570586).
313213210 is a wasteful number, since it uses less digits than its factorization.
313213210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31321328.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 313213210 is about 17697.8306580213. The cubic root of 313213210 is about 679.1202651794.
Adding to 313213210 its reverse (12312313), we get a palindrome (325525523).
The spelling of 313213210 in words is "three hundred thirteen million, two hundred thirteen thousand, two hundred ten".
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