Base | Representation |
---|---|
bin | 1101011100100011001… |
… | …1001010100001011010 |
3 | 211002020221020200021101 |
4 | 3113020303022201122 |
5 | 12241043020403310 |
6 | 254042041102014 |
7 | 22455306433210 |
oct | 3271063124132 |
9 | 732227220241 |
10 | 231002122330 |
11 | 89a70748601 |
12 | 3892a18790a |
13 | 18a251b5465 |
14 | b27566acb0 |
15 | 602004d43a |
hex | 35c8cca85a |
231002122330 has 32 divisors (see below), whose sum is σ = 484170493824. Its totient is φ = 77706373056.
The previous prime is 231002122289. The next prime is 231002122333. The reversal of 231002122330 is 33221200132.
It is a junction number, because it is equal to n+sod(n) for n = 231002122298 and 231002122307.
It is not an unprimeable number, because it can be changed into a prime (231002122333) 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, 31128652 + ... + 31136071.
It is an arithmetic number, because the mean of its divisors is an integer number (15130327932).
Almost surely, 2231002122330 is an apocalyptic number.
231002122330 is an abundant number, since it is smaller than the sum of its proper divisors (253168371494).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231002122330 is a wasteful number, since it uses less digits than its factorization.
231002122330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62264790.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 231002122330 its reverse (33221200132), we get a palindrome (264223322462).
The spelling of 231002122330 in words is "two hundred thirty-one billion, two million, one hundred twenty-two thousand, three hundred thirty".
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