Base | Representation |
---|---|
bin | 10010111111000110… |
… | …010000111010101010 |
3 | 1221121201210001021112 |
4 | 102333012100322222 |
5 | 313222301201334 |
6 | 13210513510322 |
7 | 1321116540350 |
oct | 227706207252 |
9 | 57551701245 |
10 | 20385959594 |
11 | 87113851a0 |
12 | 3b4b2723a2 |
13 | 1bcb6415b0 |
14 | db56737d0 |
15 | 7e4aa94ce |
hex | 4bf190eaa |
20385959594 has 64 divisors (see below), whose sum is σ = 41206378752. Its totient is φ = 7304947200.
The previous prime is 20385959549. The next prime is 20385959603. The reversal of 20385959594 is 49595958302.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536174 + ... + 572934.
It is an arithmetic number, because the mean of its divisors is an integer number (643849668).
Almost surely, 220385959594 is an apocalyptic number.
20385959594 is an abundant number, since it is smaller than the sum of its proper divisors (20820419158).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20385959594 is a wasteful number, since it uses less digits than its factorization.
20385959594 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37071.
The product of its (nonzero) digits is 17496000, while the sum is 59.
It can be divided in two parts, 20385 and 959594, that added together give a palindrome (979979).
The spelling of 20385959594 in words is "twenty billion, three hundred eighty-five million, nine hundred fifty-nine thousand, five hundred ninety-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •