Base | Representation |
---|---|
bin | 110100100011100101110101… |
… | …101110001010001000100000 |
3 | 1010022102011122210221112212010 |
4 | 310203211311232022020200 |
5 | 220244031340340100412 |
6 | 2135334105432432520 |
7 | 66454422332404230 |
oct | 6443456556121040 |
9 | 1108364583845763 |
10 | 231144230003232 |
11 | 67716798a12477 |
12 | 21b11372b48740 |
13 | 9bc8a65a0ac30 |
14 | 411162474bcc0 |
15 | 1bac8d285a33c |
hex | d23975b8a220 |
231144230003232 has 96 divisors (see below), whose sum is σ = 746773666192512. Its totient is φ = 60961115602944.
The previous prime is 231144230003207. The next prime is 231144230003233. The reversal of 231144230003232 is 232300032441132.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a self number, because there is not a number n which added to its sum of digits gives 231144230003232.
It is not an unprimeable number, because it can be changed into a prime (231144230003233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13229400033 + ... + 13229417504.
It is an arithmetic number, because the mean of its divisors is an integer number (7778892356172).
Almost surely, 2231144230003232 is an apocalyptic number.
It is an amenable number.
231144230003232 is an abundant number, since it is smaller than the sum of its proper divisors (515629436189280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231144230003232 is a wasteful number, since it uses less digits than its factorization.
231144230003232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26458817570 (or 26458817562 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 30.
Adding to 231144230003232 its reverse (232300032441132), we get a palindrome (463444262444364).
The spelling of 231144230003232 in words is "two hundred thirty-one trillion, one hundred forty-four billion, two hundred thirty million, three thousand, two hundred thirty-two".
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