Base | Representation |
---|---|
bin | 10010101010000101… |
… | …000110011110000100 |
3 | 1220201011020202200220 |
4 | 102222011012132010 |
5 | 312012013124444 |
6 | 13111515504340 |
7 | 1306305344010 |
oct | 225205063604 |
9 | 56634222626 |
10 | 20033333124 |
11 | 8550326762 |
12 | 3a711580b0 |
13 | 1b73578a8c |
14 | d808c1540 |
15 | 7c3b52619 |
hex | 4aa146784 |
20033333124 has 96 divisors (see below), whose sum is σ = 55481158656. Its totient is φ = 5507187840.
The previous prime is 20033333093. The next prime is 20033333179. The reversal of 20033333124 is 42133333002.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20033333094 and 20033333103.
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, 200614 + ... + 283394.
It is an arithmetic number, because the mean of its divisors is an integer number (577928736).
Almost surely, 220033333124 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20033333124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27740579328).
20033333124 is an abundant number, since it is smaller than the sum of its proper divisors (35447825532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20033333124 is a wasteful number, since it uses less digits than its factorization.
20033333124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82905 (or 82903 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 24.
Adding to 20033333124 its reverse (42133333002), we get a palindrome (62166666126).
The spelling of 20033333124 in words is "twenty billion, thirty-three million, three hundred thirty-three thousand, one hundred twenty-four".
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