Base | Representation |
---|---|
bin | 100001111011001000001… |
… | …100100100010100011011 |
3 | 22020212022111102200020220 |
4 | 201323020030210110123 |
5 | 301143330114341443 |
6 | 4542541443051123 |
7 | 330266035440036 |
oct | 41731014442433 |
9 | 8225274380226 |
10 | 2331231012123 |
11 | 819740149802 |
12 | 317984670aa3 |
13 | 13baac7ba0c0 |
14 | 80b9172001d |
15 | 409923c9a83 |
hex | 21ec832451b |
2331231012123 has 16 divisors (see below), whose sum is σ = 3347444973600. Its totient is φ = 1434588125184.
The previous prime is 2331231012101. The next prime is 2331231012157. The reversal of 2331231012123 is 3212101321332.
It is not a de Polignac number, because 2331231012123 - 212 = 2331231008027 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2331231012093 and 2331231012102.
It is not an unprimeable number, because it can be changed into a prime (2331231012193) 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, 4065915 + ... + 4603707.
It is an arithmetic number, because the mean of its divisors is an integer number (209215310850).
Almost surely, 22331231012123 is an apocalyptic number.
2331231012123 is a deficient number, since it is larger than the sum of its proper divisors (1016213961477).
2331231012123 is a wasteful number, since it uses less digits than its factorization.
2331231012123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 648958.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 2331231012123 its reverse (3212101321332), we get a palindrome (5543332333455).
The spelling of 2331231012123 in words is "two trillion, three hundred thirty-one billion, two hundred thirty-one million, twelve thousand, one hundred twenty-three".
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