Base | Representation |
---|---|
bin | 10010100110100… |
… | …111010011001010 |
3 | 210202021221121221 |
4 | 102212213103022 |
5 | 1114400043310 |
6 | 50545352254 |
7 | 10506624325 |
oct | 2246472312 |
9 | 722257557 |
10 | 312112330 |
11 | 1501a7682 |
12 | 8863868a |
13 | 4c87bc6a |
14 | 2d6477bc |
15 | 1c602ada |
hex | 129a74ca |
312112330 has 16 divisors (see below), whose sum is σ = 562391424. Its totient is φ = 124714000.
The previous prime is 312112327. The next prime is 312112337. The reversal of 312112330 is 33211213.
It is not an unprimeable number, because it can be changed into a prime (312112337) 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, 6046 + ... + 25705.
It is an arithmetic number, because the mean of its divisors is an integer number (35149464).
Almost surely, 2312112330 is an apocalyptic number.
312112330 is a deficient number, since it is larger than the sum of its proper divisors (250279094).
312112330 is a wasteful number, since it uses less digits than its factorization.
312112330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32741.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 312112330 is about 17666.7011634883. The cubic root of 312112330 is about 678.3236751572.
Adding to 312112330 its reverse (33211213), we get a palindrome (345323543).
It can be divided in two parts, 3121 and 12330, that added together give a palindrome (15451).
The spelling of 312112330 in words is "three hundred twelve million, one hundred twelve thousand, three hundred thirty".
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