Base | Representation |
---|---|
bin | 10010110100010001… |
… | …011101001110000000 |
3 | 1221011002001000210011 |
4 | 102310101131032000 |
5 | 312334303003232 |
6 | 13140505114304 |
7 | 1313453043364 |
oct | 226421351600 |
9 | 57132030704 |
10 | 20204344192 |
11 | 862890991a |
12 | 3aba488994 |
13 | 1b9cb23366 |
14 | d994b92a4 |
15 | 7d3b82547 |
hex | 4b445d380 |
20204344192 has 32 divisors (see below), whose sum is σ = 40851618120. Its totient is φ = 9951389184.
The previous prime is 20204344187. The next prime is 20204344201. The reversal of 20204344192 is 29144340202.
It is a tau number, because it is divible by the number of its divisors (32).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169383 + ... + 1186534.
Almost surely, 220204344192 is an apocalyptic number.
It is an amenable number.
20204344192 is an abundant number, since it is smaller than the sum of its proper divisors (20647273928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20204344192 is an equidigital number, since it uses as much as digits as its factorization.
20204344192 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2355998 (or 2355986 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 31.
Adding to 20204344192 its reverse (29144340202), we get a palindrome (49348684394).
The spelling of 20204344192 in words is "twenty billion, two hundred four million, three hundred forty-four thousand, one hundred ninety-two".
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