| Base | Representation |
|---|---|
| bin | 1011110101000101111… |
| … | …0100010100000111100 |
| 3 | 201102120110220011220102 |
| 4 | 2331101132202200330 |
| 5 | 11312203442014400 |
| 6 | 233210205140232 |
| 7 | 20453145044105 |
| oct | 2752136424074 |
| 9 | 642513804812 |
| 10 | 203230423100 |
| 11 | 7920a303961 |
| 12 | 3347955a678 |
| 13 | 1621a680433 |
| 14 | 9b9d1493ac |
| 15 | 5446d819d5 |
| hex | 2f517a283c |
203230423100 has 144 divisors (see below), whose sum is σ = 461732947200. Its totient is φ = 77552640000.
The previous prime is 203230422973. The next prime is 203230423111. The reversal of 203230423100 is 1324032302.
203230423100 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2032304231002 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112842200 + ... + 112844000.
It is an arithmetic number, because the mean of its divisors is an integer number (3206478800).
Almost surely, 2203230423100 is an apocalyptic number.
203230423100 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 203230423100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230866473600).
203230423100 is an abundant number, since it is smaller than the sum of its proper divisors (258502524100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
203230423100 is a wasteful number, since it uses less digits than its factorization.
203230423100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2344 (or 2337 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 203230423100 its reverse (1324032302), we get a palindrome (204554455402).
The spelling of 203230423100 in words is "two hundred three billion, two hundred thirty million, four hundred twenty-three thousand, one hundred".
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