Base | Representation |
---|---|
bin | 110100100001101010110011… |
… | …011011001001010011100011 |
3 | 1010021221112122220222000220121 |
4 | 310201222303123021103203 |
5 | 220234400311013022243 |
6 | 2135153300423021111 |
7 | 66442034501312602 |
oct | 6441526333112343 |
9 | 1107845586860817 |
10 | 231012121220323 |
11 | 67675765a56553 |
12 | 21aab843b9a797 |
13 | 9bb9470c91981 |
14 | 410909118ba39 |
15 | 1ba924e7e71ed |
hex | d21ab36c94e3 |
231012121220323 has 8 divisors (see below), whose sum is σ = 238465591004160. Its totient is φ = 223558743053640.
The previous prime is 231012121220299. The next prime is 231012121220329. The reversal of 231012121220323 is 323022121210132.
231012121220323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 231012121220323 - 217 = 231012121089251 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231012121220329) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17761615 + ... + 27883672.
It is an arithmetic number, because the mean of its divisors is an integer number (29808198875520).
Almost surely, 2231012121220323 is an apocalyptic number.
231012121220323 is a deficient number, since it is larger than the sum of its proper divisors (7453469783837).
231012121220323 is a wasteful number, since it uses less digits than its factorization.
231012121220323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45808577.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 231012121220323 its reverse (323022121210132), we get a palindrome (554034242430455).
The spelling of 231012121220323 in words is "two hundred thirty-one trillion, twelve billion, one hundred twenty-one million, two hundred twenty thousand, three hundred twenty-three".
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