Base | Representation |
---|---|
bin | 10010101010101111… |
… | …10001110101111101 |
3 | 221212110121002220100 |
4 | 21111113301311331 |
5 | 131011142401141 |
6 | 4334255111313 |
7 | 503234363406 |
oct | 112527616575 |
9 | 27773532810 |
10 | 10022231421 |
11 | 4283319894 |
12 | 1b38512539 |
13 | c394a2467 |
14 | 6b10ac9ad |
15 | 3d9d000b6 |
hex | 2555f1d7d |
10022231421 has 6 divisors (see below), whose sum is σ = 14476556510. Its totient is φ = 6681487608.
The previous prime is 10022231371. The next prime is 10022231441. The reversal of 10022231421 is 12413222001.
It is a happy number.
10022231421 is a `hidden beast` number, since 10 + 0 + 2 + 2 + 231 + 421 = 666.
It can be written as a sum of positive squares in only one way, i.e., 9295659396 + 726572025 = 96414^2 + 26955^2 .
It is not a de Polignac number, because 10022231421 - 210 = 10022230397 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10022231394 and 10022231403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10022231441) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556790626 + ... + 556790643.
Almost surely, 210022231421 is an apocalyptic number.
It is an amenable number.
10022231421 is a deficient number, since it is larger than the sum of its proper divisors (4454325089).
10022231421 is a wasteful number, since it uses less digits than its factorization.
10022231421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1113581275 (or 1113581272 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 10022231421 its reverse (12413222001), we get a palindrome (22435453422).
The spelling of 10022231421 in words is "ten billion, twenty-two million, two hundred thirty-one thousand, four hundred twenty-one".
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