Base | Representation |
---|---|
bin | 10010111001001010… |
… | …10100000100110100 |
3 | 222011220020222001120 |
4 | 21130211110010310 |
5 | 131233131020040 |
6 | 4354300223540 |
7 | 506233643013 |
oct | 113445240464 |
9 | 28156228046 |
10 | 10143220020 |
11 | 433564636a |
12 | 1b70b3abb0 |
13 | c5858434b |
14 | 6c31a4a7a |
15 | 3e574d7d0 |
hex | 25c954134 |
10143220020 has 24 divisors (see below), whose sum is σ = 28401016224. Its totient is φ = 2704858656.
The previous prime is 10143220001. The next prime is 10143220037. The reversal of 10143220020 is 2002234101.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84526774 + ... + 84526893.
It is an arithmetic number, because the mean of its divisors is an integer number (1183375676).
Almost surely, 210143220020 is an apocalyptic number.
10143220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10143220020 is an abundant number, since it is smaller than the sum of its proper divisors (18257796204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10143220020 is a wasteful number, since it uses less digits than its factorization.
10143220020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169053679 (or 169053677 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 10143220020 its reverse (2002234101), we get a palindrome (12145454121).
The spelling of 10143220020 in words is "ten billion, one hundred forty-three million, two hundred twenty thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.087 sec. • engine limits •