Base | Representation |
---|---|
bin | 11110111000011110010… |
… | …010100000011100110100 |
3 | 21111212211022010101012010 |
4 | 132320132102200130310 |
5 | 234232302313342322 |
6 | 4302534010524220 |
7 | 306216432316131 |
oct | 36703622403464 |
9 | 7455738111163 |
10 | 2122222012212 |
11 | 749035aaa635 |
12 | 2a3373a36670 |
13 | 125180bb9363 |
14 | 74a04d63588 |
15 | 3a30d09c20c |
hex | 1ee1e4a0734 |
2122222012212 has 48 divisors (see below), whose sum is σ = 5100567245312. Its totient is φ = 686380111200.
The previous prime is 2122222012189. The next prime is 2122222012219. The reversal of 2122222012212 is 2122102222212.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122222012219) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13540738 + ... + 13696569.
Almost surely, 22122222012212 is an apocalyptic number.
It is an amenable number.
2122222012212 is an abundant number, since it is smaller than the sum of its proper divisors (2978345233100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122222012212 is a wasteful number, since it uses less digits than its factorization.
2122222012212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27237508 (or 27237506 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
Adding to 2122222012212 its reverse (2122102222212), we get a palindrome (4244324234424).
The spelling of 2122222012212 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, twelve thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •