Base | Representation |
---|---|
bin | 110100100110000010001100… |
… | …111000000110011011110000 |
3 | 1010100000020000111202100021121 |
4 | 310212002030320012123300 |
5 | 220304304211241210112 |
6 | 2135543153313232024 |
7 | 66502515010536553 |
oct | 6446021470063360 |
9 | 1110006014670247 |
10 | 231312122210032 |
11 | 67780a13769396 |
12 | 21b39a09862614 |
13 | 9c0b841078bb6 |
14 | 41197d04aa69a |
15 | 1bb1e5c0ee407 |
hex | d2608ce066f0 |
231312122210032 has 20 divisors (see below), whose sum is σ = 463621279430520. Its totient is φ = 111667921066688.
The previous prime is 231312122210009. The next prime is 231312122210129. The reversal of 231312122210032 is 230012221213132.
It is a junction number, because it is equal to n+sod(n) for n = 231312122209979 and 231312122210006.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249258751918 + ... + 249258752845.
It is an arithmetic number, because the mean of its divisors is an integer number (23181063971526).
Almost surely, 2231312122210032 is an apocalyptic number.
It is an amenable number.
231312122210032 is an abundant number, since it is smaller than the sum of its proper divisors (232309157220488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231312122210032 is a wasteful number, since it uses less digits than its factorization.
231312122210032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 498517504800 (or 498517504794 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 231312122210032 its reverse (230012221213132), we get a palindrome (461324343423164).
The spelling of 231312122210032 in words is "two hundred thirty-one trillion, three hundred twelve billion, one hundred twenty-two million, two hundred ten thousand, thirty-two".
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