Base | Representation |
---|---|
bin | 10010101110001011… |
… | …110011101100100111 |
3 | 1220212221211120102202 |
4 | 102232023303230213 |
5 | 312132130400403 |
6 | 13122415525115 |
7 | 1311102611246 |
oct | 225613635447 |
9 | 56787746382 |
10 | 20102200103 |
11 | 8586193517 |
12 | 3a9022979b |
13 | 1b8490b97b |
14 | d89aca95d |
15 | 7c9c07688 |
hex | 4ae2f3b27 |
20102200103 has 32 divisors (see below), whose sum is σ = 21807014400. Its totient is φ = 18463334400.
The previous prime is 20102200081. The next prime is 20102200141. The reversal of 20102200103 is 30100220102.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 20102200103 - 26 = 20102200039 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 (20102200403) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44770823 + ... + 44771271.
It is an arithmetic number, because the mean of its divisors is an integer number (681469200).
Almost surely, 220102200103 is an apocalyptic number.
20102200103 is a deficient number, since it is larger than the sum of its proper divisors (1704814297).
20102200103 is a wasteful number, since it uses less digits than its factorization.
20102200103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 887.
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 20102200103 its reverse (30100220102), we get a palindrome (50202420205).
The spelling of 20102200103 in words is "twenty billion, one hundred two million, two hundred thousand, one hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •