Base | Representation |
---|---|
bin | 11101001001011100110… |
… | …100110101001101001111 |
3 | 21002111010100200001112101 |
4 | 131021130310311031033 |
5 | 230304132100110411 |
6 | 4132100541015531 |
7 | 264466336021213 |
oct | 35113464651517 |
9 | 7074110601471 |
10 | 2003012113231 |
11 | 702522135068 |
12 | 2842448545a7 |
13 | 116b635ca2ac |
14 | 6cd3692a943 |
15 | 371826658c1 |
hex | 1d25cd3534f |
2003012113231 has 4 divisors (see below), whose sum is σ = 2003035975200. Its totient is φ = 2002988251264.
The previous prime is 2003012113217. The next prime is 2003012113253. The reversal of 2003012113231 is 1323112103002.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2003012113231 - 217 = 2003011982159 is a prime.
It is a super-3 number, since 3×20030121132313 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2003012113199 and 2003012113208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2003012113331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11804626 + ... + 11973103.
It is an arithmetic number, because the mean of its divisors is an integer number (500758993800).
Almost surely, 22003012113231 is an apocalyptic number.
2003012113231 is a deficient number, since it is larger than the sum of its proper divisors (23861969).
2003012113231 is an equidigital number, since it uses as much as digits as its factorization.
2003012113231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23861968.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 2003012113231 its reverse (1323112103002), we get a palindrome (3326124216233).
The spelling of 2003012113231 in words is "two trillion, three billion, twelve million, one hundred thirteen thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •