Base | Representation |
---|---|
bin | 10010101001010011… |
… | …000000011100001110 |
3 | 1220200020112121010110 |
4 | 102221103000130032 |
5 | 312000132414410 |
6 | 13110330220450 |
7 | 1306055621421 |
oct | 225123003416 |
9 | 56606477113 |
10 | 20020201230 |
11 | 8543977557 |
12 | 3a68884726 |
13 | 1b7092b823 |
14 | d7cc639b8 |
15 | 7c290b720 |
hex | 4a94c070e |
20020201230 has 32 divisors (see below), whose sum is σ = 48082351104. Its totient is φ = 5334957216.
The previous prime is 20020201183. The next prime is 20020201237. The reversal of 20020201230 is 3210202002.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20020201237) 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, 191794 + ... + 277173.
It is an arithmetic number, because the mean of its divisors is an integer number (1502573472).
Almost surely, 220020201230 is an apocalyptic number.
20020201230 is an abundant number, since it is smaller than the sum of its proper divisors (28062149874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020201230 is a wasteful number, since it uses less digits than its factorization.
20020201230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 470400.
The product of its (nonzero) digits is 48, while the sum is 12.
Adding to 20020201230 its reverse (3210202002), we get a palindrome (23230403232).
The spelling of 20020201230 in words is "twenty billion, twenty million, two hundred one thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.113 sec. • engine limits •