Base | Representation |
---|---|
bin | 10010101010101110… |
… | …10110111010011000 |
3 | 221212110101111120211 |
4 | 21111113112322120 |
5 | 131011130333422 |
6 | 4334252500504 |
7 | 503233423663 |
oct | 112527267230 |
9 | 27773344524 |
10 | 10022121112 |
11 | 4283253a23 |
12 | 1b3847a734 |
13 | c394641a3 |
14 | 6b10806da |
15 | 3d9ccc577 |
hex | 2555d6e98 |
10022121112 has 32 divisors (see below), whose sum is σ = 20359587600. Its totient is φ = 4606608384.
The previous prime is 10022121103. The next prime is 10022121119. The reversal of 10022121112 is 21112122001.
It is a super-2 number, since 2×100221211122 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10022121092 and 10022121101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10022121119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851037 + ... + 862732.
Almost surely, 210022121112 is an apocalyptic number.
It is an amenable number.
10022121112 is an abundant number, since it is smaller than the sum of its proper divisors (10337466488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10022121112 is a wasteful number, since it uses less digits than its factorization.
10022121112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1713835 (or 1713831 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 10022121112 its reverse (21112122001), we get a palindrome (31134243113).
The spelling of 10022121112 in words is "ten billion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".
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