Base | Representation |
---|---|
bin | 10100100111000100… |
… | …110111101001010101 |
3 | 2010010022022001010100 |
4 | 110213010313221111 |
5 | 330310342040110 |
6 | 14055551444313 |
7 | 1412261334525 |
oct | 244704675125 |
9 | 63108261110 |
10 | 22130424405 |
11 | 9427058451 |
12 | 4357526699 |
13 | 2118b889ab |
14 | 10dd211685 |
15 | 897ce2bc0 |
hex | 527137a55 |
22130424405 has 12 divisors (see below), whose sum is σ = 38359402380. Its totient is φ = 11802892992.
The previous prime is 22130424403. The next prime is 22130424451. The reversal of 22130424405 is 50442403122.
22130424405 is a `hidden beast` number, since 2 + 213 + 0 + 4 + 2 + 440 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 6225683409 + 15904740996 = 78903^2 + 126114^2 .
It is not a de Polignac number, because 22130424405 - 21 = 22130424403 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22130424403) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245893560 + ... + 245893649.
It is an arithmetic number, because the mean of its divisors is an integer number (3196616865).
Almost surely, 222130424405 is an apocalyptic number.
It is an amenable number.
22130424405 is a deficient number, since it is larger than the sum of its proper divisors (16228977975).
22130424405 is a wasteful number, since it uses less digits than its factorization.
22130424405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 491787220 (or 491787217 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 22130424405 its reverse (50442403122), we get a palindrome (72572827527).
The spelling of 22130424405 in words is "twenty-two billion, one hundred thirty million, four hundred twenty-four thousand, four hundred five".
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