Base | Representation |
---|---|
bin | 10100100100001111… |
… | …110010000110010101 |
3 | 2002222222222021110011 |
4 | 110210033302012111 |
5 | 330211214003441 |
6 | 14051134200221 |
7 | 1411144002661 |
oct | 244417620625 |
9 | 62888867404 |
10 | 22082953621 |
11 | 94022849a3 |
12 | 4343653071 |
13 | 210c0a7881 |
14 | 10d6bb58a1 |
15 | 893a67581 |
hex | 5243f2195 |
22082953621 has 4 divisors (see below), whose sum is σ = 22083255244. Its totient is φ = 22082652000.
The previous prime is 22082953601. The next prime is 22082953631. The reversal of 22082953621 is 12635928022.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 21444380721 + 638572900 = 146439^2 + 25270^2 .
It is a cyclic number.
It is not a de Polignac number, because 22082953621 - 225 = 22049399189 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22082953601) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36841 + ... + 213361.
It is an arithmetic number, because the mean of its divisors is an integer number (5520813811).
Almost surely, 222082953621 is an apocalyptic number.
It is an amenable number.
22082953621 is a deficient number, since it is larger than the sum of its proper divisors (301623).
22082953621 is a wasteful number, since it uses less digits than its factorization.
22082953621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 301622.
The product of its (nonzero) digits is 103680, while the sum is 40.
The spelling of 22082953621 in words is "twenty-two billion, eighty-two million, nine hundred fifty-three thousand, six hundred twenty-one".
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