Base | Representation |
---|---|
bin | 1011110001101000000… |
… | …1010101100111101111 |
3 | 201100011122011212110221 |
4 | 2330122001111213233 |
5 | 11303302301134411 |
6 | 232534011312211 |
7 | 20421116544160 |
oct | 2743201254757 |
9 | 640148155427 |
10 | 202300021231 |
11 | 788820a71a0 |
12 | 33259a4b667 |
13 | 160cc9a0b99 |
14 | 9b11757767 |
15 | 53e034c071 |
hex | 2f1a0559ef |
202300021231 has 64 divisors (see below), whose sum is σ = 266036576256. Its totient is φ = 149155776000.
The previous prime is 202300021211. The next prime is 202300021243. The reversal of 202300021231 is 132120003202.
It is not a de Polignac number, because 202300021231 - 223 = 202291632623 is a prime.
It is a super-2 number, since 2×2023000212312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202300021211) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90190596 + ... + 90192838.
It is an arithmetic number, because the mean of its divisors is an integer number (4156821504).
Almost surely, 2202300021231 is an apocalyptic number.
202300021231 is a deficient number, since it is larger than the sum of its proper divisors (63736555025).
202300021231 is a wasteful number, since it uses less digits than its factorization.
202300021231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2812.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 202300021231 its reverse (132120003202), we get a palindrome (334420024433).
The spelling of 202300021231 in words is "two hundred two billion, three hundred million, twenty-one thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.126 sec. • engine limits •