Base | Representation |
---|---|
bin | 1101011101011000110… |
… | …1110111101111111100 |
3 | 211002211121211012000021 |
4 | 3113112031313233330 |
5 | 12242023132232012 |
6 | 254120241541524 |
7 | 22464012000346 |
oct | 3272615675774 |
9 | 732747735007 |
10 | 231227227132 |
11 | 8a076818130 |
12 | 389916448a4 |
13 | 18a5ca1c575 |
14 | b297506296 |
15 | 6034bb6007 |
hex | 35d6377bfc |
231227227132 has 48 divisors (see below), whose sum is σ = 467573002848. Its totient is φ = 98884229120.
The previous prime is 231227227067. The next prime is 231227227157. The reversal of 231227227132 is 231722722132.
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2021538 + ... + 2132854.
It is an arithmetic number, because the mean of its divisors is an integer number (9741104226).
Almost surely, 2231227227132 is an apocalyptic number.
231227227132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
231227227132 is an abundant number, since it is smaller than the sum of its proper divisors (236345775716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231227227132 is a wasteful number, since it uses less digits than its factorization.
231227227132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114126 (or 114124 counting only the distinct ones).
The product of its digits is 28224, while the sum is 34.
Adding to 231227227132 its reverse (231722722132), we get a palindrome (462949949264).
The spelling of 231227227132 in words is "two hundred thirty-one billion, two hundred twenty-seven million, two hundred twenty-seven thousand, one hundred thirty-two".
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