Base | Representation |
---|---|
bin | 10010110101010101… |
… | …001100011000110100 |
3 | 1221012022110011121100 |
4 | 102311111030120310 |
5 | 312403324213134 |
6 | 13142341450100 |
7 | 1314060010545 |
oct | 226525143064 |
9 | 57168404540 |
10 | 20222101044 |
11 | 8637937902 |
12 | 3b04410930 |
13 | 1ba36cc782 |
14 | d9b9bc4cc |
15 | 7d54dd999 |
hex | 4b554c634 |
20222101044 has 18 divisors (see below), whose sum is σ = 51116977730. Its totient is φ = 6740700336.
The previous prime is 20222101013. The next prime is 20222101079. The reversal of 20222101044 is 44010122202.
It can be written as a sum of positive squares in only one way, i.e., 19940264100 + 281836944 = 141210^2 + 16788^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280862479 + ... + 280862550.
Almost surely, 220222101044 is an apocalyptic number.
It is an amenable number.
20222101044 is an abundant number, since it is smaller than the sum of its proper divisors (30894876686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20222101044 is a wasteful number, since it uses less digits than its factorization.
20222101044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 561725039 (or 561725034 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 20222101044 its reverse (44010122202), we get a palindrome (64232223246).
The spelling of 20222101044 in words is "twenty billion, two hundred twenty-two million, one hundred one thousand, forty-four".
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