Base | Representation |
---|---|
bin | 1001000101100010101… |
… | …10000101001101001001 |
3 | 1002211212122211202120201 |
4 | 10202301112011031021 |
5 | 20103403012013113 |
6 | 355232332052201 |
7 | 31361633502343 |
oct | 4426126051511 |
9 | 1084778752521 |
10 | 312213001033 |
11 | 11045511078a |
12 | 50613604061 |
13 | 2359815023b |
14 | 1117b168293 |
15 | 81c49a5cdd |
hex | 48b1585349 |
312213001033 has 8 divisors (see below), whose sum is σ = 330602604840. Its totient is φ = 293826078720.
The previous prime is 312213001013. The next prime is 312213001057. The reversal of 312213001033 is 330100312213.
It can be written as a sum of positive squares in 4 ways, for example, as 88761093184 + 223451907849 = 297928^2 + 472707^2 .
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 312213001033 - 29 = 312213000521 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 312213001033.
It is not an unprimeable number, because it can be changed into a prime (312213001013) 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, 428148 + ... + 898741.
It is an arithmetic number, because the mean of its divisors is an integer number (41325325605).
Almost surely, 2312213001033 is an apocalyptic number.
It is an amenable number.
312213001033 is a deficient number, since it is larger than the sum of its proper divisors (18389603807).
312213001033 is a wasteful number, since it uses less digits than its factorization.
312213001033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1340747.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 312213001033 its reverse (330100312213), we get a palindrome (642313313246).
The spelling of 312213001033 in words is "three hundred twelve billion, two hundred thirteen million, one thousand, thirty-three".
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