Base | Representation |
---|---|
bin | 1110010000001111001011… |
… | …01100111100101010110100 |
3 | 11002222110221021211022201212 |
4 | 13020013211230330222310 |
5 | 13102020440402433322 |
6 | 150355201315540552 |
7 | 6413355146046215 |
oct | 710074554745264 |
9 | 132873837738655 |
10 | 31344230124212 |
11 | 9a95016843205 |
12 | 362287b2ba758 |
13 | 1464995ab1305 |
14 | 7a50d6c3b40c |
15 | 395506c660e2 |
hex | 1c81e5b3cab4 |
31344230124212 has 48 divisors (see below), whose sum is σ = 56346908217600. Its totient is φ = 15247979550720.
The previous prime is 31344230124211. The next prime is 31344230124247. The reversal of 31344230124212 is 21242103244313.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31344230124211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231547364 + ... + 231682692.
It is an arithmetic number, because the mean of its divisors is an integer number (1173893921200).
Almost surely, 231344230124212 is an apocalyptic number.
It is an amenable number.
31344230124212 is a deficient number, since it is larger than the sum of its proper divisors (25002678093388).
31344230124212 is a wasteful number, since it uses less digits than its factorization.
31344230124212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 140616 (or 140614 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 32.
Adding to 31344230124212 its reverse (21242103244313), we get a palindrome (52586333368525).
The spelling of 31344230124212 in words is "thirty-one trillion, three hundred forty-four billion, two hundred thirty million, one hundred twenty-four thousand, two hundred twelve".
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