Base | Representation |
---|---|
bin | 10110111011101000… |
… | …01100110110100010 |
3 | 1011210000001002011010 |
4 | 23131310030312202 |
5 | 200203203232313 |
6 | 5353351401350 |
7 | 614042014143 |
oct | 133564146642 |
9 | 34700032133 |
10 | 12311383458 |
11 | 5248500680 |
12 | 2477083256 |
13 | 1212819aaa |
14 | 84b115aca |
15 | 4c0c7c4c3 |
hex | 2ddd0cda2 |
12311383458 has 16 divisors (see below), whose sum is σ = 26861200416. Its totient is φ = 3730722240.
The previous prime is 12311383423. The next prime is 12311383477. The reversal of 12311383458 is 85438311321.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93267991 + ... + 93268122.
It is an arithmetic number, because the mean of its divisors is an integer number (1678825026).
Almost surely, 212311383458 is an apocalyptic number.
12311383458 is an abundant number, since it is smaller than the sum of its proper divisors (14549816958).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12311383458 is a wasteful number, since it uses less digits than its factorization.
12311383458 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 186536129.
The product of its digits is 69120, while the sum is 39.
Adding to 12311383458 its reverse (85438311321), we get a palindrome (97749694779).
The spelling of 12311383458 in words is "twelve billion, three hundred eleven million, three hundred eighty-three thousand, four hundred fifty-eight".
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