Base | Representation |
---|---|
bin | 10110100101010011… |
… | …11100001001110101 |
3 | 1011021221201100020110 |
4 | 23102221330021311 |
5 | 144312240103440 |
6 | 5323022253233 |
7 | 606306345213 |
oct | 132251741165 |
9 | 34257640213 |
10 | 12124144245 |
11 | 5161844024 |
12 | 2424427219 |
13 | 11b2aacb65 |
14 | 8302d5cb3 |
15 | 4ae5e4080 |
hex | 2d2a7c275 |
12124144245 has 64 divisors (see below), whose sum is σ = 20822261760. Its totient is φ = 6006067200.
The previous prime is 12124144199. The next prime is 12124144273. The reversal of 12124144245 is 54244142121.
It is not a de Polignac number, because 12124144245 - 224 = 12107367029 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3863317 + ... + 3866453.
It is an arithmetic number, because the mean of its divisors is an integer number (325347840).
Almost surely, 212124144245 is an apocalyptic number.
12124144245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12124144245 is a deficient number, since it is larger than the sum of its proper divisors (8698117515).
12124144245 is a wasteful number, since it uses less digits than its factorization.
12124144245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3426.
The product of its digits is 10240, while the sum is 30.
Adding to 12124144245 its reverse (54244142121), we get a palindrome (66368286366).
The spelling of 12124144245 in words is "twelve billion, one hundred twenty-four million, one hundred forty-four thousand, two hundred forty-five".
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