Base | Representation |
---|---|
bin | 10001111011100110110… |
… | …001010011011111010100 |
3 | 11100210121101112012002122 |
4 | 101323212301103133110 |
5 | 130142102434044340 |
6 | 2342025115155112 |
7 | 155011602666122 |
oct | 21734661233724 |
9 | 4323541465078 |
10 | 1232232331220 |
11 | 435650032660 |
12 | 17a994145a98 |
13 | 8c2782c1547 |
14 | 438d7228912 |
15 | 220be7badb5 |
hex | 11ee6c537d4 |
1232232331220 has 48 divisors (see below), whose sum is σ = 2869209858816. Its totient is φ = 440738832000.
The previous prime is 1232232331217. The next prime is 1232232331279. The reversal of 1232232331220 is 221332322321.
It is a self number, because there is not a number n which added to its sum of digits gives 1232232331220.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45896876 + ... + 45923715.
It is an arithmetic number, because the mean of its divisors is an integer number (59775205392).
Almost surely, 21232232331220 is an apocalyptic number.
1232232331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1232232331220 is an abundant number, since it is smaller than the sum of its proper divisors (1636977527596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232232331220 is a wasteful number, since it uses less digits than its factorization.
1232232331220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 91820672 (or 91820670 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 26.
Adding to 1232232331220 its reverse (221332322321), we get a palindrome (1453564653541).
The spelling of 1232232331220 in words is "one trillion, two hundred thirty-two billion, two hundred thirty-two million, three hundred thirty-one thousand, two hundred twenty".
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