Base | Representation |
---|---|
bin | 10011101100000110… |
… | …111100011000001100 |
3 | 2000120100201210002110 |
4 | 103230012330120030 |
5 | 321244111043312 |
6 | 13413451224020 |
7 | 1345616330004 |
oct | 235406743014 |
9 | 60510653073 |
10 | 21141112332 |
11 | 8a6967466a |
12 | 4120148010 |
13 | 1cbbc21532 |
14 | 1047a87004 |
15 | 83b02343c |
hex | 4ec1bc60c |
21141112332 has 96 divisors (see below), whose sum is σ = 50996736000. Its totient is φ = 6813734400.
The previous prime is 21141112309. The next prime is 21141112339. The reversal of 21141112332 is 23321114112.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 21141112299 and 21141112308.
It is not an unprimeable number, because it can be changed into a prime (21141112339) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12442419 + ... + 12444117.
It is an arithmetic number, because the mean of its divisors is an integer number (531216000).
Almost surely, 221141112332 is an apocalyptic number.
It is an amenable number.
21141112332 is an abundant number, since it is smaller than the sum of its proper divisors (29855623668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21141112332 is a wasteful number, since it uses less digits than its factorization.
21141112332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2047 (or 2045 counting only the distinct ones).
The product of its digits is 288, while the sum is 21.
Adding to 21141112332 its reverse (23321114112), we get a palindrome (44462226444).
The spelling of 21141112332 in words is "twenty-one billion, one hundred forty-one million, one hundred twelve thousand, three hundred thirty-two".
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