Base | Representation |
---|---|
bin | 1001000101011001000… |
… | …10010001110001000101 |
3 | 1002211200001000100012221 |
4 | 10202230202101301011 |
5 | 20103221332442013 |
6 | 355220330412341 |
7 | 31356633606625 |
oct | 4425442216105 |
9 | 1084601010187 |
10 | 312132312133 |
11 | 110413609a44 |
12 | 505b05910b1 |
13 | 2358450b425 |
14 | 11170562885 |
15 | 81bc86808d |
hex | 48ac891c45 |
312132312133 has 8 divisors (see below), whose sum is σ = 322994671200. Its totient is φ = 301276564848.
The previous prime is 312132312127. The next prime is 312132312181. The reversal of 312132312133 is 331213231213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-312132312133 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 312132312098 and 312132312107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312132312433) 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, 1556791 + ... + 1745812.
It is an arithmetic number, because the mean of its divisors is an integer number (40374333900).
Almost surely, 2312132312133 is an apocalyptic number.
It is an amenable number.
312132312133 is a deficient number, since it is larger than the sum of its proper divisors (10862359067).
312132312133 is a wasteful number, since it uses less digits than its factorization.
312132312133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3305891.
The product of its digits is 1944, while the sum is 25.
Adding to 312132312133 its reverse (331213231213), we get a palindrome (643345543346).
It can be divided in two parts, 31213231213 and 3, that multiplied together give a palindrome (93639693639).
The spelling of 312132312133 in words is "three hundred twelve billion, one hundred thirty-two million, three hundred twelve thousand, one hundred thirty-three".
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