Base | Representation |
---|---|
bin | 1011110100010110011… |
… | …0010110000000011000 |
3 | 201102001120220200012122 |
4 | 2331011212112000120 |
5 | 11311301433024144 |
6 | 233134330000412 |
7 | 20445205143635 |
oct | 2750546260030 |
9 | 642046820178 |
10 | 203031142424 |
11 | 79117872390 |
12 | 33422876108 |
13 | 161b82b8686 |
14 | 9b808b318c |
15 | 543461a7ee |
hex | 2f45996018 |
203031142424 has 32 divisors (see below), whose sum is σ = 422099033040. Its totient is φ = 90773980800.
The previous prime is 203031142397. The next prime is 203031142481. The reversal of 203031142424 is 424241130302.
It is a junction number, because it is equal to n+sod(n) for n = 203031142393 and 203031142402.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18905879 + ... + 18916614.
Almost surely, 2203031142424 is an apocalyptic number.
It is an amenable number.
203031142424 is an abundant number, since it is smaller than the sum of its proper divisors (219067890616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203031142424 is a wasteful number, since it uses less digits than its factorization.
203031142424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37822571 (or 37822567 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 203031142424 its reverse (424241130302), we get a palindrome (627272272726).
The spelling of 203031142424 in words is "two hundred three billion, thirty-one million, one hundred forty-two thousand, four hundred twenty-four".
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