Base | Representation |
---|---|
bin | 10110011001010001… |
… | …11100111110111010 |
3 | 1011000220210222020000 |
4 | 23030220330332322 |
5 | 144110421102302 |
6 | 5305015213430 |
7 | 603642462645 |
oct | 131450747672 |
9 | 34026728200 |
10 | 12023222202 |
11 | 510a882882 |
12 | 23b6677276 |
13 | 1197c05784 |
14 | 820b44a5c |
15 | 4a580b31c |
hex | 2cca3cfba |
12023222202 has 160 divisors (see below), whose sum is σ = 28335971664. Its totient is φ = 3807129600.
The previous prime is 12023222119. The next prime is 12023222203. The reversal of 12023222202 is 20222232021.
12023222202 is a `hidden beast` number, since 120 + 2 + 322 + 220 + 2 = 666.
It can be written as a sum of positive squares in 8 ways, for example, as 685444761 + 11337777441 = 26181^2 + 106479^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (12023222203) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 66426552 + ... + 66426732.
Almost surely, 212023222202 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12023222202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14167985832).
12023222202 is an abundant number, since it is smaller than the sum of its proper divisors (16312749462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12023222202 is a wasteful number, since it uses less digits than its factorization.
12023222202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446 (or 437 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
Adding to 12023222202 its reverse (20222232021), we get a palindrome (32245454223).
The spelling of 12023222202 in words is "twelve billion, twenty-three million, two hundred twenty-two thousand, two hundred two".
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