Base | Representation |
---|---|
bin | 111100001101100… |
… | …1101000010100000 |
3 | 12012210201210221112 |
4 | 1320123031002200 |
5 | 13114210202331 |
6 | 532252042452 |
7 | 101032043615 |
oct | 17033150240 |
9 | 5183653845 |
10 | 2020397216 |
11 | 947509372 |
12 | 484763428 |
13 | 262769516 |
14 | 15248850c |
15 | bc59132b |
hex | 786cd0a0 |
2020397216 has 12 divisors (see below), whose sum is σ = 3977657082. Its totient is φ = 1010198592.
The previous prime is 2020397213. The next prime is 2020397263. The reversal of 2020397216 is 6127930202.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 1473024400 + 547372816 = 38380^2 + 23396^2 .
It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 63137413 = 2020397216 / (2 + 0 + 2 + 0 + 3 + 9 + 7 + 2 + 1 + 6).
It is not an unprimeable number, because it can be changed into a prime (2020397213) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31568675 + ... + 31568738.
Almost surely, 22020397216 is an apocalyptic number.
It is an amenable number.
2020397216 is a deficient number, since it is larger than the sum of its proper divisors (1957259866).
2020397216 is an equidigital number, since it uses as much as digits as its factorization.
2020397216 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63137423 (or 63137415 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 2020397216 is about 44948.8288612729. The cubic root of 2020397216 is about 1264.1897180915.
The spelling of 2020397216 in words is "two billion, twenty million, three hundred ninety-seven thousand, two hundred sixteen".
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