Base | Representation |
---|---|
bin | 10100000000011011… |
… | …111001001101011100 |
3 | 2001110010110020001001 |
4 | 110000123321031130 |
5 | 322443412224300 |
6 | 13511353000044 |
7 | 1360230152065 |
oct | 240033711534 |
9 | 61403406031 |
10 | 21482148700 |
11 | 9124127301 |
12 | 41b63b3024 |
13 | 20447897bc |
14 | 107b09d56c |
15 | 85ae3b16a |
hex | 5006f935c |
21482148700 has 18 divisors (see below), whose sum is σ = 46616262896. Its totient is φ = 8592859440.
The previous prime is 21482148691. The next prime is 21482148703. The reversal of 21482148700 is 784128412.
It is a happy number.
It is a super-2 number, since 2×214821487002 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 21482148700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21482148703) 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, 107410644 + ... + 107410843.
Almost surely, 221482148700 is an apocalyptic number.
21482148700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21482148700 is an abundant number, since it is smaller than the sum of its proper divisors (25134114196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21482148700 is a wasteful number, since it uses less digits than its factorization.
21482148700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214821501 (or 214821494 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 37.
The spelling of 21482148700 in words is "twenty-one billion, four hundred eighty-two million, one hundred forty-eight thousand, seven hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •