| Base | Representation |
|---|---|
| bin | 1011110100101100000… |
| … | …1010111001000011000 |
| 3 | 201102021221002100122011 |
| 4 | 2331023001113020120 |
| 5 | 11311443230023000 |
| 6 | 233151335435304 |
| 7 | 20450361312304 |
| oct | 2751301271030 |
| 9 | 642257070564 |
| 10 | 203122111000 |
| 11 | 79164155426 |
| 12 | 33449225b34 |
| 13 | 162010b9433 |
| 14 | 9b8c9d2d04 |
| 15 | 543c5d92ba |
| hex | 2f4b057218 |
203122111000 has 64 divisors (see below), whose sum is σ = 476409548160. Its totient is φ = 81060160000.
The previous prime is 203122110979. The next prime is 203122111001. The reversal of 203122111000 is 111221302.
203122111000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203122111001) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 195360 + ... + 666640.
It is an arithmetic number, because the mean of its divisors is an integer number (7443899190).
Almost surely, 2203122111000 is an apocalyptic number.
203122111000 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 203122111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238204774080).
203122111000 is an abundant number, since it is smaller than the sum of its proper divisors (273287437160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203122111000 is a wasteful number, since it uses less digits than its factorization.
203122111000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 471733 (or 471719 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 203122111000 its reverse (111221302), we get a palindrome (203233332302).
It can be divided in two parts, 20312 and 2111000, that added together give a palindrome (2131312).
The spelling of 203122111000 in words is "two hundred three billion, one hundred twenty-two million, one hundred eleven thousand".
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