Base | Representation |
---|---|
bin | 10010111001001000… |
… | …111100111111001100 |
3 | 1221100202200122000002 |
4 | 102321020330333030 |
5 | 313021204013400 |
6 | 13152543223432 |
7 | 1315464110231 |
oct | 227110747714 |
9 | 57322618002 |
10 | 20286001100 |
11 | 866aa11972 |
12 | 3b218a7b78 |
13 | 1bb3a13961 |
14 | da6293788 |
15 | 7dae11ed5 |
hex | 4b923cfcc |
20286001100 has 36 divisors (see below), whose sum is σ = 45210377184. Its totient is φ = 7895090880.
The previous prime is 20286001079. The next prime is 20286001103. The reversal of 20286001100 is 110068202.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (20286001103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2737652 + ... + 2745051.
Almost surely, 220286001100 is an apocalyptic number.
20286001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20286001100 is an abundant number, since it is smaller than the sum of its proper divisors (24924376084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20286001100 is a wasteful number, since it uses less digits than its factorization.
20286001100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5482754 (or 5482747 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 20286001100 its reverse (110068202), we get a palindrome (20396069302).
The spelling of 20286001100 in words is "twenty billion, two hundred eighty-six million, one thousand, one hundred".
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