Base | Representation |
---|---|
bin | 10010110100000010… |
… | …000101000100100000 |
3 | 1221010210110020012012 |
4 | 102310002011010200 |
5 | 312332240004440 |
6 | 13140242452052 |
7 | 1313403554111 |
oct | 226402050440 |
9 | 57123406165 |
10 | 20200313120 |
11 | 8626606259 |
12 | 3ab9064028 |
13 | 1b9c041600 |
14 | d98b4a208 |
15 | 7d3637e65 |
hex | 4b4085120 |
20200313120 has 72 divisors (see below), whose sum is σ = 51676713396. Its totient is φ = 7458567168.
The previous prime is 20200313047. The next prime is 20200313123. The reversal of 20200313120 is 2131300202.
It is a happy number.
It can be written as a sum of positive squares in 6 ways, for example, as 500506384 + 19699806736 = 22372^2 + 140356^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20200313095 and 20200313104.
It is not an unprimeable number, because it can be changed into a prime (20200313123) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346487 + ... + 400566.
Almost surely, 220200313120 is an apocalyptic number.
20200313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20200313120 is an abundant number, since it is smaller than the sum of its proper divisors (31476400276).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200313120 is a wasteful number, since it uses less digits than its factorization.
20200313120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 747094 (or 747073 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20200313120 its reverse (2131300202), we get a palindrome (22331613322).
The spelling of 20200313120 in words is "twenty billion, two hundred million, three hundred thirteen thousand, one hundred twenty".
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