Base | Representation |
---|---|
bin | 10110111101111110… |
… | …11010011111101001 |
3 | 1011211101010210100111 |
4 | 23132333122133221 |
5 | 200223230201022 |
6 | 5355334134321 |
7 | 614401423156 |
oct | 133677323751 |
9 | 34741123314 |
10 | 12331100137 |
11 | 5258648054 |
12 | 24817b13a1 |
13 | 1216931275 |
14 | 84d9a922d |
15 | 4c2874477 |
hex | 2defda7e9 |
12331100137 has 2 divisors, whose sum is σ = 12331100138. Its totient is φ = 12331100136.
The previous prime is 12331100087. The next prime is 12331100209. The reversal of 12331100137 is 73100113321.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 12138750976 + 192349161 = 110176^2 + 13869^2 .
It is an emirp because it is prime and its reverse (73100113321) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12331100137 - 215 = 12331067369 is a prime.
It is not a weakly prime, because it can be changed into another prime (12331100737) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165550068 + 6165550069.
It is an arithmetic number, because the mean of its divisors is an integer number (6165550069).
Almost surely, 212331100137 is an apocalyptic number.
It is an amenable number.
12331100137 is a deficient number, since it is larger than the sum of its proper divisors (1).
12331100137 is an equidigital number, since it uses as much as digits as its factorization.
12331100137 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 378, while the sum is 22.
Adding to 12331100137 its reverse (73100113321), we get a palindrome (85431213458).
The spelling of 12331100137 in words is "twelve billion, three hundred thirty-one million, one hundred thousand, one hundred thirty-seven".
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