Base | Representation |
---|---|
bin | 10010101110001111… |
… | …010111011111011000 |
3 | 1220220000120222022211 |
4 | 102232033113133120 |
5 | 312132400230034 |
6 | 13122451524504 |
7 | 1311113545423 |
oct | 225617273730 |
9 | 56800528284 |
10 | 20103133144 |
11 | 8586770526 |
12 | 3a905b9734 |
13 | 1b84b77573 |
14 | d89c909ba |
15 | 7c9d3dd64 |
hex | 4ae3d77d8 |
20103133144 has 16 divisors (see below), whose sum is σ = 37707278400. Its totient is φ = 10047858912.
The previous prime is 20103133133. The next prime is 20103133159. The reversal of 20103133144 is 44133130102.
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, 440347 + ... + 483850.
It is an arithmetic number, because the mean of its divisors is an integer number (2356704900).
Almost surely, 220103133144 is an apocalyptic number.
It is an amenable number.
20103133144 is a deficient number, since it is larger than the sum of its proper divisors (17604145256).
20103133144 is a wasteful number, since it uses less digits than its factorization.
20103133144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 926922 (or 926918 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 20103133144 its reverse (44133130102), we get a palindrome (64236263246).
The spelling of 20103133144 in words is "twenty billion, one hundred three million, one hundred thirty-three thousand, one hundred forty-four".
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