Base | Representation |
---|---|
bin | 10011111100001010… |
… | …010010010011011110 |
3 | 2001021010111020021210 |
4 | 103330022102103132 |
5 | 322322032032110 |
6 | 13500311405250 |
7 | 1355366413212 |
oct | 237412222336 |
9 | 61233436253 |
10 | 21410424030 |
11 | 9097698516 |
12 | 4196383826 |
13 | 2032965c78 |
14 | 107174c942 |
15 | 8549be520 |
hex | 4fc2924de |
21410424030 has 32 divisors (see below), whose sum is σ = 51413336064. Its totient is φ = 5706299936.
The previous prime is 21410424017. The next prime is 21410424031. The reversal of 21410424030 is 3042401412.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 21410423988 and 21410424006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21410424031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141054 + ... + 250433.
It is an arithmetic number, because the mean of its divisors is an integer number (1606666752).
Almost surely, 221410424030 is an apocalyptic number.
21410424030 is an abundant number, since it is smaller than the sum of its proper divisors (30002912034).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21410424030 is a wasteful number, since it uses less digits than its factorization.
21410424030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393320.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 21410424030 its reverse (3042401412), we get a palindrome (24452825442).
The spelling of 21410424030 in words is "twenty-one billion, four hundred ten million, four hundred twenty-four thousand, thirty".
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