Base | Representation |
---|---|
bin | 1001000110111101011001… |
… | …10001101010100111101110 |
3 | 2121220212210012222012210201 |
4 | 10203132230301222213232 |
5 | 10111134104241431110 |
6 | 110333450201024114 |
7 | 4135100165003212 |
oct | 443365461524756 |
9 | 77825705865721 |
10 | 20030331202030 |
11 | 64228a7857056 |
12 | 22b601948503a |
13 | b23b1017ca66 |
14 | 4d368a67c942 |
15 | 24b07cad3b3a |
hex | 1237acc6a9ee |
20030331202030 has 32 divisors (see below), whose sum is σ = 38176232964480. Its totient is φ = 7540676851200.
The previous prime is 20030331201989. The next prime is 20030331202031. The reversal of 20030331202030 is 3020213303002.
It is a happy number.
It is a super-2 number, since 2×200303312020302 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20030331201989 and 20030331202007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20030331202031) 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, 7341291 + ... + 9693049.
It is an arithmetic number, because the mean of its divisors is an integer number (1193007280140).
Almost surely, 220030331202030 is an apocalyptic number.
20030331202030 is a deficient number, since it is larger than the sum of its proper divisors (18145901762450).
20030331202030 is a wasteful number, since it uses less digits than its factorization.
20030331202030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2401884.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20030331202030 its reverse (3020213303002), we get a palindrome (23050544505032).
The spelling of 20030331202030 in words is "twenty trillion, thirty billion, three hundred thirty-one million, two hundred two thousand, thirty".
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