Base | Representation |
---|---|
bin | 10011010101100111… |
… | …011101101000110000 |
3 | 1222121001200100122121 |
4 | 103111213131220300 |
5 | 320011010324300 |
6 | 13312211244024 |
7 | 1333355025640 |
oct | 232547355060 |
9 | 58531610577 |
10 | 20763761200 |
11 | 8895669126 |
12 | 40358a9614 |
13 | 1c5b9acc40 |
14 | 100d8da520 |
15 | 817d3581a |
hex | 4d59dda30 |
20763761200 has 240 divisors, whose sum is σ = 62898849216. Its totient is φ = 6410649600.
The previous prime is 20763761197. The next prime is 20763761233. The reversal of 20763761200 is 216736702.
It is a happy number.
It is a super-2 number, since 2×207637612002 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1485444 + ... + 1499356.
Almost surely, 220763761200 is an apocalyptic number.
20763761200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20763761200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31449424608).
20763761200 is an abundant number, since it is smaller than the sum of its proper divisors (42135088016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20763761200 is a wasteful number, since it uses less digits than its factorization.
20763761200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13992 (or 13981 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 34.
The spelling of 20763761200 in words is "twenty billion, seven hundred sixty-three million, seven hundred sixty-one thousand, two hundred".
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