Base | Representation |
---|---|
bin | 10011101111101000… |
… | …101101010111110010 |
3 | 2000201111002121000022 |
4 | 103233220231113302 |
5 | 321404233423120 |
6 | 13423403523442 |
7 | 1350235352300 |
oct | 235750552762 |
9 | 60644077008 |
10 | 21200295410 |
11 | 8a9a0177a8 |
12 | 4137b29582 |
13 | 1ccb2736c8 |
14 | 1051891270 |
15 | 841314025 |
hex | 4efa2d5f2 |
21200295410 has 48 divisors (see below), whose sum is σ = 45016119360. Its totient is φ = 7166285280.
The previous prime is 21200295397. The next prime is 21200295421. The reversal of 21200295410 is 1459200212.
It is a self number, because there is not a number n which added to its sum of digits gives 21200295410.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269900 + ... + 339479.
It is an arithmetic number, because the mean of its divisors is an integer number (937835820).
Almost surely, 221200295410 is an apocalyptic number.
21200295410 is an abundant number, since it is smaller than the sum of its proper divisors (23815823950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21200295410 is a wasteful number, since it uses less digits than its factorization.
21200295410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 609471 (or 609464 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 26.
Adding to 21200295410 its reverse (1459200212), we get a palindrome (22659495622).
The spelling of 21200295410 in words is "twenty-one billion, two hundred million, two hundred ninety-five thousand, four hundred ten".
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