Base | Representation |
---|---|
bin | 10111000000101001… |
… | …00101011010111000 |
3 | 1011212221011010020002 |
4 | 23200110211122320 |
5 | 200244434132003 |
6 | 5401452452132 |
7 | 615062253350 |
oct | 134024453270 |
9 | 34787133202 |
10 | 12353427128 |
11 | 526a207709 |
12 | 248917a048 |
13 | 121b44a8c3 |
14 | 85293bb60 |
15 | 4c47d4a88 |
hex | 2e05256b8 |
12353427128 has 128 divisors (see below), whose sum is σ = 28519257600. Its totient is φ = 4896460800.
The previous prime is 12353427127. The next prime is 12353427193. The reversal of 12353427128 is 82172435321.
It is a junction number, because it is equal to n+sod(n) for n = 12353427091 and 12353427100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12353427127) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17877263 + ... + 17877953.
It is an arithmetic number, because the mean of its divisors is an integer number (222806700).
Almost surely, 212353427128 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12353427128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14259628800).
12353427128 is an abundant number, since it is smaller than the sum of its proper divisors (16165830472).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12353427128 is a wasteful number, since it uses less digits than its factorization.
12353427128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1021 (or 1017 counting only the distinct ones).
The product of its digits is 80640, while the sum is 38.
The spelling of 12353427128 in words is "twelve billion, three hundred fifty-three million, four hundred twenty-seven thousand, one hundred twenty-eight".
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