Base | Representation |
---|---|
bin | 1001001001000101010111… |
… | …11010101011110100000111 |
3 | 2122011212012201102000112121 |
4 | 10210202223322223310013 |
5 | 10113333110243424111 |
6 | 110431202021030411 |
7 | 4143263201015014 |
oct | 444425372536407 |
9 | 78155181360477 |
10 | 20103331233031 |
11 | 645085842a892 |
12 | 23081b0b55407 |
13 | b2a974cbca87 |
14 | 4d70138a870b |
15 | 24ce01792871 |
hex | 1248abeabd07 |
20103331233031 has 8 divisors (see below), whose sum is σ = 20978061719040. Its totient is φ = 19228656797592.
The previous prime is 20103331232983. The next prime is 20103331233067. The reversal of 20103331233031 is 13033213330102.
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 20103331233031 - 27 = 20103331232903 is a prime.
It is a super-2 number, since 2×201033312330312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20103331232987 and 20103331233005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20103331233131) 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 7 ways as a sum of consecutive naturals, for example, 13278891 + ... + 14715148.
It is an arithmetic number, because the mean of its divisors is an integer number (2622257714880).
Almost surely, 220103331233031 is an apocalyptic number.
20103331233031 is a deficient number, since it is larger than the sum of its proper divisors (874730486009).
20103331233031 is a wasteful number, since it uses less digits than its factorization.
20103331233031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28025285.
The product of its (nonzero) digits is 2916, while the sum is 25.
Adding to 20103331233031 its reverse (13033213330102), we get a palindrome (33136544563133).
The spelling of 20103331233031 in words is "twenty trillion, one hundred three billion, three hundred thirty-one million, two hundred thirty-three thousand, thirty-one".
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