Base | Representation |
---|---|
bin | 10011110010001111… |
… | …111101111010110000 |
3 | 2000211112121012011122 |
4 | 103302033331322300 |
5 | 322002000004412 |
6 | 13432011401412 |
7 | 1351310135546 |
oct | 236217757260 |
9 | 60745535148 |
10 | 21244141232 |
11 | 9011844816 |
12 | 414a753268 |
13 | 2007385892 |
14 | 1057625d96 |
15 | 8450c5572 |
hex | 4f23fdeb0 |
21244141232 has 40 divisors (see below), whose sum is σ = 41956881552. Its totient is φ = 10418528000.
The previous prime is 21244141211. The next prime is 21244141241. The reversal of 21244141232 is 23214144212.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111482 + ... + 234342.
Almost surely, 221244141232 is an apocalyptic number.
It is an amenable number.
21244141232 is a deficient number, since it is larger than the sum of its proper divisors (20712740320).
21244141232 is a wasteful number, since it uses less digits than its factorization.
21244141232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123077 (or 123071 counting only the distinct ones).
The product of its digits is 3072, while the sum is 26.
Adding to 21244141232 its reverse (23214144212), we get a palindrome (44458285444).
The spelling of 21244141232 in words is "twenty-one billion, two hundred forty-four million, one hundred forty-one thousand, two hundred thirty-two".
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