Base | Representation |
---|---|
bin | 10010101010101111… |
… | …01010001011010101 |
3 | 221212110112111211101 |
4 | 21111113222023111 |
5 | 131011140400041 |
6 | 4334254310101 |
7 | 503234203021 |
oct | 112527521325 |
9 | 27773474741 |
10 | 10022200021 |
11 | 42832a8239 |
12 | 1b384b8331 |
13 | c39491092 |
14 | 6b10a1381 |
15 | 3d9ce5b31 |
hex | 2555ea2d5 |
10022200021 has 16 divisors (see below), whose sum is σ = 10748954880. Its totient is φ = 9323233920.
The previous prime is 10022200007. The next prime is 10022200057. The reversal of 10022200021 is 12000222001.
It is a cyclic number.
It is not a de Polignac number, because 10022200021 - 27 = 10022199893 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10022199980 and 10022200007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10022200061) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84736 + ... + 164998.
It is an arithmetic number, because the mean of its divisors is an integer number (671809680).
Almost surely, 210022200021 is an apocalyptic number.
It is an amenable number.
10022200021 is a deficient number, since it is larger than the sum of its proper divisors (726754859).
10022200021 is an equidigital number, since it uses as much as digits as its factorization.
10022200021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80436.
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 10022200021 its reverse (12000222001), we get a palindrome (22022422022).
The spelling of 10022200021 in words is "ten billion, twenty-two million, two hundred thousand, twenty-one".
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