Base | Representation |
---|---|
bin | 1001000101001010101… |
… | …11101111100011010001 |
3 | 1002211100122211102221022 |
4 | 10202211113233203101 |
5 | 20103000100010113 |
6 | 355200354205225 |
7 | 31353644114321 |
oct | 4424527574321 |
9 | 1084318742838 |
10 | 312012110033 |
11 | 11036177a368 |
12 | 50578283815 |
13 | 23565643520 |
14 | 1115c5d3281 |
15 | 81b2022908 |
hex | 48a55ef8d1 |
312012110033 has 8 divisors (see below), whose sum is σ = 347599698600. Its totient is φ = 278079758208.
The previous prime is 312012110023. The next prime is 312012110041. The reversal of 312012110033 is 330011210213.
It can be written as a sum of positive squares in 4 ways, for example, as 87443221264 + 224568888769 = 295708^2 + 473887^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 312012110033 - 24 = 312012110017 is a prime.
It is a super-2 number, since 2×3120121100332 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312012109993 and 312012110020.
It is not an unprimeable number, because it can be changed into a prime (312012110023) 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, 413808788 + ... + 413809541.
It is an arithmetic number, because the mean of its divisors is an integer number (43449962325).
Almost surely, 2312012110033 is an apocalyptic number.
It is an amenable number.
312012110033 is a deficient number, since it is larger than the sum of its proper divisors (35587588567).
312012110033 is a wasteful number, since it uses less digits than its factorization.
312012110033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 827618371.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 312012110033 its reverse (330011210213), we get a palindrome (642023320246).
The spelling of 312012110033 in words is "three hundred twelve billion, twelve million, one hundred ten thousand, thirty-three".
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