Base | Representation |
---|---|
bin | 10010111010101111… |
… | …111110111101010011 |
3 | 1221102122111211020211 |
4 | 102322233332331103 |
5 | 313100112310003 |
6 | 13155350144551 |
7 | 1316242510336 |
oct | 227257767523 |
9 | 57378454224 |
10 | 20313010003 |
11 | 868418a080 |
12 | 3b2a952157 |
13 | 1bb94ac360 |
14 | da9ac461d |
15 | 7dd49996d |
hex | 4babfef53 |
20313010003 has 32 divisors (see below), whose sum is σ = 24232404672. Its totient is φ = 16783718400.
The previous prime is 20313009989. The next prime is 20313010019. The reversal of 20313010003 is 30001031302.
It is a cyclic number.
It is not a de Polignac number, because 20313010003 - 29 = 20313009491 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20313011003) 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, 7942801 + ... + 7945357.
It is an arithmetic number, because the mean of its divisors is an integer number (757262646).
Almost surely, 220313010003 is an apocalyptic number.
20313010003 is a deficient number, since it is larger than the sum of its proper divisors (3919394669).
20313010003 is a wasteful number, since it uses less digits than its factorization.
20313010003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3415.
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 20313010003 its reverse (30001031302), we get a palindrome (50314041305).
The spelling of 20313010003 in words is "twenty billion, three hundred thirteen million, ten thousand, three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •