Base | Representation |
---|---|
bin | 1001001111001100000110… |
… | …11111111101011100010100 |
3 | 2122220220200022122120001222 |
4 | 10213212003133331130110 |
5 | 10130302220233124322 |
6 | 111111413505505512 |
7 | 4164400500456140 |
oct | 447460337753424 |
9 | 78826608576058 |
10 | 20313106536212 |
11 | 6521816094a46 |
12 | 2340996342298 |
13 | b446965a5bc9 |
14 | 503233d3c220 |
15 | 2535ccedce42 |
hex | 1279837fd714 |
20313106536212 has 12 divisors (see below), whose sum is σ = 40626213072480. Its totient is φ = 8705617086936.
The previous prime is 20313106536211. The next prime is 20313106536221. The reversal of 20313106536212 is 21263560131302.
It is a happy number.
20313106536212 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20313106536211) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362734045262 + ... + 362734045317.
It is an arithmetic number, because the mean of its divisors is an integer number (3385517756040).
Almost surely, 220313106536212 is an apocalyptic number.
It is an amenable number.
20313106536212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20313106536212 is a wasteful number, since it uses less digits than its factorization.
20313106536212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 725468090590 (or 725468090588 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 35.
Adding to 20313106536212 its reverse (21263560131302), we get a palindrome (41576666667514).
The spelling of 20313106536212 in words is "twenty trillion, three hundred thirteen billion, one hundred six million, five hundred thirty-six thousand, two hundred twelve".
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