Base | Representation |
---|---|
bin | 111010011110101… |
… | …011110001000000 |
3 | 2112101011011112000 |
4 | 322132223301000 |
5 | 4002131401422 |
6 | 241204504000 |
7 | 33212254215 |
oct | 7236536100 |
9 | 2471134460 |
10 | 981122112 |
11 | 4638aa623 |
12 | 2346ab000 |
13 | 12835a739 |
14 | 94435b0c |
15 | 5b202cac |
hex | 3a7abc40 |
981122112 has 56 divisors (see below), whose sum is σ = 2884322400. Its totient is φ = 327040128.
The previous prime is 981122111. The next prime is 981122119. The reversal of 981122112 is 211221189.
981122112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.
It is not an unprimeable number, because it can be changed into a prime (981122111) 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, 282162 + ... + 285617.
Almost surely, 2981122112 is an apocalyptic number.
It is an amenable number.
981122112 is an abundant number, since it is smaller than the sum of its proper divisors (1903200288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
981122112 is a wasteful number, since it uses less digits than its factorization.
981122112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 567800 (or 567784 counting only the distinct ones).
The product of its digits is 576, while the sum is 27.
The square root of 981122112 is about 31322.8688341282. The cubic root of 981122112 is about 993.6673528988.
The spelling of 981122112 in words is "nine hundred eighty-one million, one hundred twenty-two thousand, one hundred twelve".
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