Base | Representation |
---|---|
bin | 1011110101011110011… |
… | …0111101001110001110 |
3 | 201102211122110111210120 |
4 | 2331113212331032032 |
5 | 11312411310333232 |
6 | 233224322045410 |
7 | 20455534321143 |
oct | 2752746751616 |
9 | 642748414716 |
10 | 203333292942 |
11 | 7926238555a |
12 | 334a7aa9866 |
13 | 16235a8a270 |
14 | 9baca863ca |
15 | 5450e0192c |
hex | 2f579bd38e |
203333292942 has 128 divisors (see below), whose sum is σ = 473279127552. Its totient is φ = 57723494400.
The previous prime is 203333292907. The next prime is 203333292947. The reversal of 203333292942 is 249292333302.
It is a happy number.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 203333292894 and 203333292903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203333292947) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17401342 + ... + 17413022.
It is an arithmetic number, because the mean of its divisors is an integer number (3697493184).
Almost surely, 2203333292942 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 203333292942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236639563776).
203333292942 is an abundant number, since it is smaller than the sum of its proper divisors (269945834610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203333292942 is a wasteful number, since it uses less digits than its factorization.
203333292942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12066.
The product of its (nonzero) digits is 419904, while the sum is 42.
The spelling of 203333292942 in words is "two hundred three billion, three hundred thirty-three million, two hundred ninety-two thousand, nine hundred forty-two".
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