Base | Representation |
---|---|
bin | 100001111011001000001… |
… | …101010100101000011100 |
3 | 22020212022111210201201010 |
4 | 201323020031110220130 |
5 | 301143330142210022 |
6 | 4542541451215220 |
7 | 330266040223005 |
oct | 41731015245034 |
9 | 8225274721633 |
10 | 2331231210012 |
11 | 819740274451 |
12 | 317984747510 |
13 | 13baac8591b3 |
14 | 80b917721ac |
15 | 4099241850c |
hex | 21ec8354a1c |
2331231210012 has 12 divisors (see below), whose sum is σ = 5439539490056. Its totient is φ = 777077070000.
The previous prime is 2331231209947. The next prime is 2331231210041. The reversal of 2331231210012 is 2100121321332.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97134633739 + ... + 97134633762.
Almost surely, 22331231210012 is an apocalyptic number.
It is an amenable number.
2331231210012 is an abundant number, since it is smaller than the sum of its proper divisors (3108308280044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2331231210012 is a wasteful number, since it uses less digits than its factorization.
2331231210012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194269267508 (or 194269267506 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2331231210012 its reverse (2100121321332), we get a palindrome (4431352531344).
The spelling of 2331231210012 in words is "two trillion, three hundred thirty-one billion, two hundred thirty-one million, two hundred ten thousand, twelve".
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