Base | Representation |
---|---|
bin | 11110110000110011… |
… | …010001000000100111 |
3 | 10011020222122122212012 |
4 | 132300303101000213 |
5 | 1020121414000403 |
6 | 23101344544435 |
7 | 2246352603563 |
oct | 366063210047 |
9 | 104228578765 |
10 | 33031000103 |
11 | 130101582a2 |
12 | 649a02211b |
13 | 316531189a |
14 | 1854c006a3 |
15 | cd4c92ed8 |
hex | 7b0cd1027 |
33031000103 has 4 divisors (see below), whose sum is σ = 33087271560. Its totient is φ = 32974728648.
The previous prime is 33031000031. The next prime is 33031000127. The reversal of 33031000103 is 30100013033.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30100013033 = 167 ⋅180239599.
It is a cyclic number.
It is not a de Polignac number, because 33031000103 - 212 = 33030996007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (33031000193) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28134848 + ... + 28136021.
It is an arithmetic number, because the mean of its divisors is an integer number (8271817890).
Almost surely, 233031000103 is an apocalyptic number.
33031000103 is a deficient number, since it is larger than the sum of its proper divisors (56271457).
33031000103 is an equidigital number, since it uses as much as digits as its factorization.
33031000103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56271456.
The product of its (nonzero) digits is 81, while the sum is 14.
Adding to 33031000103 its reverse (30100013033), we get a palindrome (63131013136).
The spelling of 33031000103 in words is "thirty-three billion, thirty-one million, one hundred three", and thus it is an aban number.
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