Base | Representation |
---|---|
bin | 111001010111101011… |
… | …1110010100001010010 |
3 | 102210000010001012020120 |
4 | 1302233113302201102 |
5 | 4004304020131310 |
6 | 132333052051110 |
7 | 11621021024505 |
oct | 1625727624122 |
9 | 383003035216 |
10 | 123201333330 |
11 | 48281a39249 |
12 | 1ba63a63a96 |
13 | b805501a4a |
14 | 5d6a59b13c |
15 | 3311068b70 |
hex | 1caf5f2852 |
123201333330 has 96 divisors (see below), whose sum is σ = 309581504064. Its totient is φ = 31376112768.
The previous prime is 123201333317. The next prime is 123201333347. The reversal of 123201333330 is 33333102321.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 123201333330.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10738257 + ... + 10749723.
It is an arithmetic number, because the mean of its divisors is an integer number (3224807334).
Almost surely, 2123201333330 is an apocalyptic number.
123201333330 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 123201333330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154790752032).
123201333330 is an abundant number, since it is smaller than the sum of its proper divisors (186380170734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123201333330 is a wasteful number, since it uses less digits than its factorization.
123201333330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12200 (or 12177 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 24.
Adding to 123201333330 its reverse (33333102321), we get a palindrome (156534435651).
The spelling of 123201333330 in words is "one hundred twenty-three billion, two hundred one million, three hundred thirty-three thousand, three hundred thirty".
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