Base | Representation |
---|---|
bin | 10010101110000111… |
… | …010110100100001011 |
3 | 1220212212122020101012 |
4 | 102232013112210023 |
5 | 312131331012303 |
6 | 13122334514135 |
7 | 1311056645300 |
oct | 225607264413 |
9 | 56785566335 |
10 | 20101032203 |
11 | 858556600a |
12 | 3a8b96594b |
13 | 1b845c01c5 |
14 | d898a50a7 |
15 | 7c9a765d8 |
hex | 4ae1d690b |
20101032203 has 24 divisors (see below), whose sum is σ = 24774936912. Its totient is φ = 16205059584.
The previous prime is 20101032187. The next prime is 20101032241. The reversal of 20101032203 is 30223010102.
It is a happy number.
It is not a de Polignac number, because 20101032203 - 24 = 20101032187 is a prime.
It is a super-4 number, since 4×201010322034 (a number of 42 digits) contains 4444 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20101032283) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1373000 + ... + 1387562.
It is an arithmetic number, because the mean of its divisors is an integer number (1032289038).
Almost surely, 220101032203 is an apocalyptic number.
20101032203 is a deficient number, since it is larger than the sum of its proper divisors (4673904709).
20101032203 is a wasteful number, since it uses less digits than its factorization.
20101032203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16251 (or 16244 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20101032203 its reverse (30223010102), we get a palindrome (50324042305).
The spelling of 20101032203 in words is "twenty billion, one hundred one million, thirty-two thousand, two hundred three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •