Base | Representation |
---|---|
bin | 1011110100010100000… |
… | …0110011001000000111 |
3 | 201102000220101122020222 |
4 | 2331011000303020013 |
5 | 11311241423101411 |
6 | 233133335014555 |
7 | 20445025402331 |
oct | 2750500631007 |
9 | 642026348228 |
10 | 203021300231 |
11 | 7911225a842 |
12 | 3341b50a45b |
13 | 161b62508a9 |
14 | 9b7d470451 |
15 | 54338244db |
hex | 2f45033207 |
203021300231 has 8 divisors (see below), whose sum is σ = 209590738944. Its totient is φ = 196453134360.
The previous prime is 203021300221. The next prime is 203021300281. The reversal of 203021300231 is 132003120302.
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 203021300231 - 214 = 203021283847 is a prime.
It is a super-2 number, since 2×2030213002312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203021300221) 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, 11390 + ... + 637316.
It is an arithmetic number, because the mean of its divisors is an integer number (26198842368).
Almost surely, 2203021300231 is an apocalyptic number.
203021300231 is a deficient number, since it is larger than the sum of its proper divisors (6569438713).
203021300231 is a wasteful number, since it uses less digits than its factorization.
203021300231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 636421.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 203021300231 its reverse (132003120302), we get a palindrome (335024420533).
The spelling of 203021300231 in words is "two hundred three billion, twenty-one million, three hundred thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.094 sec. • engine limits •