Base | Representation |
---|---|
bin | 10011100101011111… |
… | …011101110001001001 |
3 | 2000021121211202212010 |
4 | 103211133131301021 |
5 | 321032201200131 |
6 | 13354444010133 |
7 | 1343100621006 |
oct | 234537356111 |
9 | 60247752763 |
10 | 21030100041 |
11 | 8a11a41475 |
12 | 40aab30949 |
13 | 1ca1c234a2 |
14 | 103702a8ad |
15 | 8313e5b46 |
hex | 4e57ddc49 |
21030100041 has 8 divisors (see below), whose sum is σ = 28047487104. Its totient is φ = 14016389840.
The previous prime is 21030100033. The next prime is 21030100043. The reversal of 21030100041 is 14000103012.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 21030100041 - 23 = 21030100033 is a prime.
It is not an unprimeable number, because it can be changed into a prime (21030100043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905841 + ... + 928766.
It is an arithmetic number, because the mean of its divisors is an integer number (3505935888).
Almost surely, 221030100041 is an apocalyptic number.
It is an amenable number.
21030100041 is a deficient number, since it is larger than the sum of its proper divisors (7017387063).
21030100041 is a wasteful number, since it uses less digits than its factorization.
21030100041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1838431.
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 21030100041 its reverse (14000103012), we get a palindrome (35030203053).
The spelling of 21030100041 in words is "twenty-one billion, thirty million, one hundred thousand, forty-one".
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