Base | Representation |
---|---|
bin | 1101011101110100110… |
… | …0001100111101010000 |
3 | 211010010202222120002010 |
4 | 3113131030030331100 |
5 | 12242243110331344 |
6 | 254140021422520 |
7 | 22466632340262 |
oct | 3273514147520 |
9 | 733122876063 |
10 | 231344230224 |
11 | 8a1268722a8 |
12 | 38a0486aa40 |
13 | 18a7b037373 |
14 | b2a8c81b32 |
15 | 60400c88b9 |
hex | 35dd30cf50 |
231344230224 has 160 divisors (see below), whose sum is σ = 625095737344. Its totient is φ = 73644318720.
The previous prime is 231344230199. The next prime is 231344230319. The reversal of 231344230224 is 422032443132.
It is a junction number, because it is equal to n+sod(n) for n = 231344230191 and 231344230200.
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, 36469197 + ... + 36475539.
Almost surely, 2231344230224 is an apocalyptic number.
231344230224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231344230224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312547868672).
231344230224 is an abundant number, since it is smaller than the sum of its proper divisors (393751507120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231344230224 is a wasteful number, since it uses less digits than its factorization.
231344230224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6705 (or 6699 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 30.
Adding to 231344230224 its reverse (422032443132), we get a palindrome (653376673356).
The spelling of 231344230224 in words is "two hundred thirty-one billion, three hundred forty-four million, two hundred thirty thousand, two hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •