Base | Representation |
---|---|
bin | 10011100101011111… |
… | …110110001111101101 |
3 | 2000021122000212101110 |
4 | 103211133312033231 |
5 | 321032212402201 |
6 | 13354450102233 |
7 | 1343101516215 |
oct | 234537661755 |
9 | 60248025343 |
10 | 21030200301 |
11 | 8a11aaa830 |
12 | 40aab7a979 |
13 | 1ca1c5a006 |
14 | 1037055245 |
15 | 8314156d6 |
hex | 4e57f63ed |
21030200301 has 16 divisors (see below), whose sum is σ = 30603163968. Its totient is φ = 12739833600.
The previous prime is 21030200299. The next prime is 21030200311. The reversal of 21030200301 is 10300203012.
It is a happy number.
It is not a de Polignac number, because 21030200301 - 21 = 21030200299 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21030200311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68620 + ... + 216261.
It is an arithmetic number, because the mean of its divisors is an integer number (1912697748).
Almost surely, 221030200301 is an apocalyptic number.
It is an amenable number.
21030200301 is a deficient number, since it is larger than the sum of its proper divisors (9572963667).
21030200301 is a wasteful number, since it uses less digits than its factorization.
21030200301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287132.
The product of its (nonzero) digits is 36, while the sum is 12.
Adding to 21030200301 its reverse (10300203012), we get a palindrome (31330403313).
The spelling of 21030200301 in words is "twenty-one billion, thirty million, two hundred thousand, three hundred one".
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