Base | Representation |
---|---|
bin | 1011110101000001110… |
… | …0111101001110111001 |
3 | 201102112021112201211012 |
4 | 2331100130331032321 |
5 | 11312140041343113 |
6 | 233204352443305 |
7 | 20452545651341 |
oct | 2752034751671 |
9 | 642467481735 |
10 | 203213231033 |
11 | 7920063123a |
12 | 33473849535 |
13 | 16216c41107 |
14 | 9b9ab51d21 |
15 | 54455d7aa8 |
hex | 2f5073d3b9 |
203213231033 has 8 divisors (see below), whose sum is σ = 215213494848. Its totient is φ = 191476709424.
The previous prime is 203213231003. The next prime is 203213231051. The reversal of 203213231033 is 330132312302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 203213231033 - 214 = 203213214649 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (203213231003) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65933966 + ... + 65937047.
It is an arithmetic number, because the mean of its divisors is an integer number (26901686856).
Almost surely, 2203213231033 is an apocalyptic number.
203213231033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
203213231033 is a deficient number, since it is larger than the sum of its proper divisors (12000263815).
203213231033 is a wasteful number, since it uses less digits than its factorization.
203213231033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 131871103.
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 203213231033 its reverse (330132312302), we get a palindrome (533345543335).
The spelling of 203213231033 in words is "two hundred three billion, two hundred thirteen million, two hundred thirty-one thousand, thirty-three".
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