| Base | Representation |
|---|---|
| bin | 1011110101100000101… |
| … | …0001100101010010100 |
| 3 | 201102212021211212100000 |
| 4 | 2331120022030222110 |
| 5 | 11312421141444340 |
| 6 | 233225252051300 |
| 7 | 20456005665663 |
| oct | 2753012145224 |
| 9 | 642767755300 |
| 10 | 203342531220 |
| 11 | 792676153a4 |
| 12 | 334ab003b30 |
| 13 | 162379731ba |
| 14 | 9baddacdda |
| 15 | 5451b28d30 |
| hex | 2f5828ca94 |
203342531220 has 144 divisors (see below), whose sum is σ = 650492781120. Its totient is φ = 53305537536.
The previous prime is 203342531141. The next prime is 203342531233. The reversal of 203342531220 is 22135243302.
203342531220 is a `hidden beast` number, since 2 + 0 + 3 + 342 + 5 + 312 + 2 + 0 = 666.
203342531220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 67837 + ... + 641316.
It is an arithmetic number, because the mean of its divisors is an integer number (4517310980).
Almost surely, 2203342531220 is an apocalyptic number.
203342531220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 203342531220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325246390560).
203342531220 is an abundant number, since it is smaller than the sum of its proper divisors (447150249900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203342531220 is a wasteful number, since it uses less digits than its factorization.
203342531220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 709236 (or 709222 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 27.
Adding to 203342531220 its reverse (22135243302), we get a palindrome (225477774522).
The spelling of 203342531220 in words is "two hundred three billion, three hundred forty-two million, five hundred thirty-one thousand, two hundred twenty".
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