Base | Representation |
---|---|
bin | 10010101111010000… |
… | …100000101100101110 |
3 | 1220221012201120200012 |
4 | 102233100200230232 |
5 | 312201233211342 |
6 | 13124301533222 |
7 | 1311411652010 |
oct | 225720405456 |
9 | 56835646605 |
10 | 20120210222 |
11 | 8595374812 |
12 | 3a96274212 |
13 | 1b88576448 |
14 | d8c2581b0 |
15 | 7cb5b3b82 |
hex | 4af420b2e |
20120210222 has 8 divisors (see below), whose sum is σ = 34491788976. Its totient is φ = 8622947232.
The previous prime is 20120210219. The next prime is 20120210249. The reversal of 20120210222 is 22201202102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 1437157873 = 20120210222 / (2 + 0 + 1 + 2 + 0 + 2 + 1 + 0 + 2 + 2 + 2).
It is a junction number, because it is equal to n+sod(n) for n = 20120210197 and 20120210206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718578923 + ... + 718578950.
It is an arithmetic number, because the mean of its divisors is an integer number (4311473622).
Almost surely, 220120210222 is an apocalyptic number.
20120210222 is a deficient number, since it is larger than the sum of its proper divisors (14371578754).
20120210222 is a wasteful number, since it uses less digits than its factorization.
20120210222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1437157882.
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 20120210222 its reverse (22201202102), we get a palindrome (42321412324).
It can be divided in two parts, 201202102 and 22, that multiplied together give a palindrome (4426446244).
The spelling of 20120210222 in words is "twenty billion, one hundred twenty million, two hundred ten thousand, two hundred twenty-two".
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