Base | Representation |
---|---|
bin | 1100010110010000100… |
… | …0011110101100111100 |
3 | 202021112221022022200220 |
4 | 3011210020132230330 |
5 | 11433422113421022 |
6 | 241241441421340 |
7 | 21216601440654 |
oct | 3054410365474 |
9 | 667487268626 |
10 | 212133342012 |
11 | 81a68817689 |
12 | 3514303a850 |
13 | 17008c9c6a7 |
14 | a3a56cd364 |
15 | 57b878385c |
hex | 316421eb3c |
212133342012 has 24 divisors (see below), whose sum is σ = 512045998800. Its totient is φ = 68272799616.
The previous prime is 212133341993. The next prime is 212133342013. The reversal of 212133342012 is 210243331212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212133342013) 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, 304788937 + ... + 304789632.
It is an arithmetic number, because the mean of its divisors is an integer number (21335249950).
Almost surely, 2212133342012 is an apocalyptic number.
It is an amenable number.
212133342012 is an abundant number, since it is smaller than the sum of its proper divisors (299912656788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212133342012 is a wasteful number, since it uses less digits than its factorization.
212133342012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 609578605 (or 609578603 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 212133342012 its reverse (210243331212), we get a palindrome (422376673224).
The spelling of 212133342012 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred forty-two thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •