Base | Representation |
---|---|
bin | 10110111010011100… |
… | …01111010110011100 |
3 | 1011202022022111121202 |
4 | 23131032033112130 |
5 | 200143131312340 |
6 | 5352354215032 |
7 | 613561306610 |
oct | 133516172634 |
9 | 34668274552 |
10 | 12301432220 |
11 | 5242924110 |
12 | 2473884478 |
13 | 121074449c |
14 | 849a85340 |
15 | 4bee63c15 |
hex | 2dd38f59c |
12301432220 has 96 divisors (see below), whose sum is σ = 34102010880. Its totient is φ = 3608663040.
The previous prime is 12301432177. The next prime is 12301432267. The reversal of 12301432220 is 2223410321.
It is a super-3 number, since 3×123014322203 (a number of 31 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 12301432192 and 12301432201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208760 + ... + 261119.
It is an arithmetic number, because the mean of its divisors is an integer number (355229280).
Almost surely, 212301432220 is an apocalyptic number.
12301432220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12301432220 is an abundant number, since it is smaller than the sum of its proper divisors (21800578660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12301432220 is a wasteful number, since it uses less digits than its factorization.
12301432220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 469923 (or 469921 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 12301432220 its reverse (2223410321), we get a palindrome (14524842541).
The spelling of 12301432220 in words is "twelve billion, three hundred one million, four hundred thirty-two thousand, two hundred twenty".
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