Base | Representation |
---|---|
bin | 10011011010101100… |
… | …101001010101111110 |
3 | 1222211000002020110120 |
4 | 103122230221111332 |
5 | 320144321142300 |
6 | 13324454315410 |
7 | 1335441424623 |
oct | 233254512576 |
9 | 58730066416 |
10 | 20849005950 |
11 | 89297a1833 |
12 | 405a358b66 |
13 | 1c73558616 |
14 | 101ad6a34a |
15 | 8205733a0 |
hex | 4dab2957e |
20849005950 has 48 divisors (see below), whose sum is σ = 51723534720. Its totient is φ = 5557799520.
The previous prime is 20849005913. The next prime is 20849005967. The reversal of 20849005950 is 5950094802.
20849005950 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×208490059503 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 437391 + ... + 482709.
It is an arithmetic number, because the mean of its divisors is an integer number (1077573640).
Almost surely, 220849005950 is an apocalyptic number.
20849005950 is an abundant number, since it is smaller than the sum of its proper divisors (30874528770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20849005950 is a wasteful number, since it uses less digits than its factorization.
20849005950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48401 (or 48396 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 42.
The spelling of 20849005950 in words is "twenty billion, eight hundred forty-nine million, five thousand, nine hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •