Base | Representation |
---|---|
bin | 1001101001000000011100… |
… | …11100110111001001100000 |
3 | 2210001201102110102111020101 |
4 | 10310200032130313021200 |
5 | 10234321002430120000 |
6 | 113031123215152144 |
7 | 4315443513251032 |
oct | 464401634671140 |
9 | 83051373374211 |
10 | 21200201020000 |
11 | 6833a55873462 |
12 | 24648a8515654 |
13 | baa22a422092 |
14 | 534149351c52 |
15 | 26b6ec52ce6a |
hex | 13480e737260 |
21200201020000 has 60 divisors (see below), whose sum is σ = 52155674588556. Its totient is φ = 8480080400000.
The previous prime is 21200201019997. The next prime is 21200201020067. The reversal of 21200201020000 is 2010200212.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is an unprimeable number.
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 9 ways as a sum of consecutive naturals, for example, 529985026 + ... + 530025025.
Almost surely, 221200201020000 is an apocalyptic number.
21200201020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
21200201020000 is an abundant number, since it is smaller than the sum of its proper divisors (30955473568556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21200201020000 is an equidigital number, since it uses as much as digits as its factorization.
21200201020000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1060010081 (or 1060010058 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 10.
Adding to 21200201020000 its reverse (2010200212), we get a palindrome (21202211220212).
The spelling of 21200201020000 in words is "twenty-one trillion, two hundred billion, two hundred one million, twenty thousand".
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