Base | Representation |
---|---|
bin | 10001110101111011000… |
… | …100011001110100101010 |
3 | 11100012212010201112222100 |
4 | 101311323010121310222 |
5 | 130042103342300044 |
6 | 2335135422234230 |
7 | 154404440463300 |
oct | 21657304316452 |
9 | 4305763645870 |
10 | 1226130431274 |
11 | 432aa9732941 |
12 | 179770725976 |
13 | 8b815098268 |
14 | 434b8a92270 |
15 | 21d63c55869 |
hex | 11d7b119d2a |
1226130431274 has 144 divisors (see below), whose sum is σ = 3136299880896. Its totient is φ = 345121660800.
The previous prime is 1226130431261. The next prime is 1226130431341. The reversal of 1226130431274 is 4721340316221.
1226130431274 is a `hidden beast` number, since 1 + 2 + 2 + 613 + 0 + 4 + 31 + 2 + 7 + 4 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 89354734 + ... + 89368454.
It is an arithmetic number, because the mean of its divisors is an integer number (21779860284).
Almost surely, 21226130431274 is an apocalyptic number.
1226130431274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1226130431274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1568149940448).
1226130431274 is an abundant number, since it is smaller than the sum of its proper divisors (1910169449622).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1226130431274 is a wasteful number, since it uses less digits than its factorization.
1226130431274 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15241 (or 15231 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
Adding to 1226130431274 its reverse (4721340316221), we get a palindrome (5947470747495).
The spelling of 1226130431274 in words is "one trillion, two hundred twenty-six billion, one hundred thirty million, four hundred thirty-one thousand, two hundred seventy-four".
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