Base | Representation |
---|---|
bin | 10011111100011000… |
… | …110110111011000000 |
3 | 2001021101200022100100 |
4 | 103330120312323000 |
5 | 322324021302112 |
6 | 13500525322400 |
7 | 1355444033226 |
oct | 237430667300 |
9 | 61241608310 |
10 | 21414244032 |
11 | 9099867545 |
12 | 4197706400 |
13 | 20336a291c |
14 | 1072064b16 |
15 | 854ec62dc |
hex | 4fc636ec0 |
21414244032 has 84 divisors (see below), whose sum is σ = 63496667520. Its totient is φ = 6891935232.
The previous prime is 21414244031. The next prime is 21414244067. The reversal of 21414244032 is 23044241412.
21414244032 is a `hidden beast` number, since 2 + 1 + 414 + 244 + 0 + 3 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 21414243987 and 21414244005.
It is not an unprimeable number, because it can be changed into a prime (21414244031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 624288 + ... + 657695.
Almost surely, 221414244032 is an apocalyptic number.
It is an amenable number.
21414244032 is an abundant number, since it is smaller than the sum of its proper divisors (42082423488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21414244032 is a wasteful number, since it uses less digits than its factorization.
21414244032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1282030 (or 1282017 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
Adding to 21414244032 its reverse (23044241412), we get a palindrome (44458485444).
The spelling of 21414244032 in words is "twenty-one billion, four hundred fourteen million, two hundred forty-four thousand, thirty-two".
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