Base | Representation |
---|---|
bin | 10010100111010… |
… | …111111000000100 |
3 | 210202200001120012 |
4 | 102213113320010 |
5 | 1114422430200 |
6 | 50553525352 |
7 | 10511413400 |
oct | 2247277004 |
9 | 722601505 |
10 | 312311300 |
11 | 150323114 |
12 | 88713858 |
13 | 4c91b6b2 |
14 | 2d69a100 |
15 | 1c641a35 |
hex | 129d7e04 |
312311300 has 54 divisors (see below), whose sum is σ = 788375322. Its totient is φ = 107076480.
The previous prime is 312311281. The next prime is 312311323. The reversal of 312311300 is 3113213.
It can be written as a sum of positive squares in 3 ways, for example, as 5080516 + 307230784 = 2254^2 + 17528^2 .
It is a Harshad number since it is a multiple of its sum of digits (14).
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26969 + ... + 36768.
It is an arithmetic number, because the mean of its divisors is an integer number (14599543).
Almost surely, 2312311300 is an apocalyptic number.
It is an amenable number.
312311300 is an abundant number, since it is smaller than the sum of its proper divisors (476064022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
312311300 is a wasteful number, since it uses less digits than its factorization.
312311300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63765 (or 63751 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 312311300 is about 17672.3314817259. The cubic root of 312311300 is about 678.4677871523.
Adding to 312311300 its reverse (3113213), we get a palindrome (315424513).
The spelling of 312311300 in words is "three hundred twelve million, three hundred eleven thousand, three hundred".
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