Base | Representation |
---|---|
bin | 1001000101100100101… |
… | …11101111001000100101 |
3 | 1002211220212020011202212 |
4 | 10202302113233020211 |
5 | 20103421413242013 |
6 | 355234145013205 |
7 | 31362233004440 |
oct | 4426227571045 |
9 | 1084825204685 |
10 | 312230212133 |
11 | 1104638a6734 |
12 | 50619324205 |
13 | 2359b898118 |
14 | 1117d568657 |
15 | 81c62556a8 |
hex | 48b25ef225 |
312230212133 has 8 divisors (see below), whose sum is σ = 357079114560. Its totient is φ = 267442456320.
The previous prime is 312230212127. The next prime is 312230212169. The reversal of 312230212133 is 331212032213.
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 312230212133 - 26 = 312230212069 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 312230212099 and 312230212108.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312230212103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15275708 + ... + 15296133.
It is an arithmetic number, because the mean of its divisors is an integer number (44634889320).
Almost surely, 2312230212133 is an apocalyptic number.
It is an amenable number.
312230212133 is a deficient number, since it is larger than the sum of its proper divisors (44848902427).
312230212133 is a wasteful number, since it uses less digits than its factorization.
312230212133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30573307.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 312230212133 its reverse (331212032213), we get a palindrome (643442244346).
The spelling of 312230212133 in words is "three hundred twelve billion, two hundred thirty million, two hundred twelve thousand, one hundred thirty-three".
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