Base | Representation |
---|---|
bin | 10010101000110100… |
… | …100100011010010111 |
3 | 1220122200112012211020 |
4 | 102220310210122113 |
5 | 311441112101403 |
6 | 13105443212223 |
7 | 1305631036566 |
oct | 225064443227 |
9 | 56580465736 |
10 | 20012222103 |
11 | 853a417735 |
12 | 3a66077073 |
13 | 1b6c096a53 |
14 | d7bb87bdd |
15 | 7c1d82453 |
hex | 4a8d24697 |
20012222103 has 8 divisors (see below), whose sum is σ = 26830383216. Its totient is φ = 13267771200.
The previous prime is 20012222077. The next prime is 20012222107. The reversal of 20012222103 is 30122221002.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20012222103 - 25 = 20012222071 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20012222107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18426918 + ... + 18428003.
It is an arithmetic number, because the mean of its divisors is an integer number (3353797902).
Almost surely, 220012222103 is an apocalyptic number.
20012222103 is a deficient number, since it is larger than the sum of its proper divisors (6818161113).
20012222103 is a wasteful number, since it uses less digits than its factorization.
20012222103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36855105.
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 20012222103 its reverse (30122221002), we get a palindrome (50134443105).
The spelling of 20012222103 in words is "twenty billion, twelve million, two hundred twenty-two thousand, one hundred three".
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