Base | Representation |
---|---|
bin | 1001000110111100110100… |
… | …01110100100100001100011 |
3 | 2121220211222112102010111220 |
4 | 10203132122032210201203 |
5 | 10111132440110342011 |
6 | 110333355243110123 |
7 | 4135056365640063 |
oct | 443363216444143 |
9 | 77824875363456 |
10 | 20030020012131 |
11 | 642275812a518 |
12 | 22b5b51212343 |
13 | b23a9086491c |
14 | 4d365b1d53a3 |
15 | 24b060614506 |
hex | 12379a3a4863 |
20030020012131 has 16 divisors (see below), whose sum is σ = 26763690479520. Its totient is φ = 13324877879040.
The previous prime is 20030020012127. The next prime is 20030020012217. The reversal of 20030020012131 is 13121002003002.
It is not a de Polignac number, because 20030020012131 - 22 = 20030020012127 is a prime.
It is a super-2 number, since 2×200300200121312 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20030020012131.
It is not an unprimeable number, because it can be changed into a prime (20030020012111) 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, 1028146 + ... + 6412263.
It is an arithmetic number, because the mean of its divisors is an integer number (1672730654970).
Almost surely, 220030020012131 is an apocalyptic number.
20030020012131 is a deficient number, since it is larger than the sum of its proper divisors (6733670467389).
20030020012131 is a wasteful number, since it uses less digits than its factorization.
20030020012131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7442326.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 20030020012131 its reverse (13121002003002), we get a palindrome (33151022015133).
The spelling of 20030020012131 in words is "twenty trillion, thirty billion, twenty million, twelve thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •