Base | Representation |
---|---|
bin | 101111100101111001… |
… | …0011001001111001110 |
3 | 100202210201102012001110 |
4 | 1133023302121033032 |
5 | 3133303011430410 |
6 | 114541305552450 |
7 | 10245456102000 |
oct | 1371362311716 |
9 | 322721365043 |
10 | 102203233230 |
11 | 3a38707390a |
12 | 179837a5726 |
13 | 983a103947 |
14 | 4d37900370 |
15 | 29d2894720 |
hex | 17cbc993ce |
102203233230 has 128 divisors (see below), whose sum is σ = 287121024000. Its totient is φ = 23273265792.
The previous prime is 102203233229. The next prime is 102203233247. The reversal of 102203233230 is 32332302201.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 102203233197 and 102203233206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2749549 + ... + 2786471.
It is an arithmetic number, because the mean of its divisors is an integer number (2243133000).
Almost surely, 2102203233230 is an apocalyptic number.
102203233230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 102203233230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143560512000).
102203233230 is an abundant number, since it is smaller than the sum of its proper divisors (184917790770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102203233230 is a wasteful number, since it uses less digits than its factorization.
102203233230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37223 (or 37209 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 102203233230 its reverse (32332302201), we get a palindrome (134535535431).
The spelling of 102203233230 in words is "one hundred two billion, two hundred three million, two hundred thirty-three thousand, two hundred thirty".
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