Base | Representation |
---|---|
bin | 10010111010110010… |
… | …101000000111111111 |
3 | 1221102200211000202002 |
4 | 102322302220013333 |
5 | 313100301443121 |
6 | 13155413052515 |
7 | 1316251424435 |
oct | 227262500777 |
9 | 57380730662 |
10 | 20313702911 |
11 | 8684612727 |
12 | 3b2b02713b |
13 | 1bb9692868 |
14 | da9c24d55 |
15 | 7dd584e0b |
hex | 4baca81ff |
20313702911 has 4 divisors (see below), whose sum is σ = 20316002712. Its totient is φ = 20311403112.
The previous prime is 20313702853. The next prime is 20313702931. The reversal of 20313702911 is 11920731302.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20313702911 - 210 = 20313701887 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 (20313702931) 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, 1136600 + ... + 1154333.
It is an arithmetic number, because the mean of its divisors is an integer number (5079000678).
Almost surely, 220313702911 is an apocalyptic number.
20313702911 is a deficient number, since it is larger than the sum of its proper divisors (2299801).
20313702911 is an equidigital number, since it uses as much as digits as its factorization.
20313702911 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2299800.
The product of its (nonzero) digits is 2268, while the sum is 29.
The spelling of 20313702911 in words is "twenty billion, three hundred thirteen million, seven hundred two thousand, nine hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •