Base | Representation |
---|---|
bin | 10001111000000101100… |
… | …101000111000001110110 |
3 | 11100102212002102022212120 |
4 | 101320011211013001312 |
5 | 130111333242321404 |
6 | 2340202154100410 |
7 | 154516145633532 |
oct | 21700545070166 |
9 | 4312762368776 |
10 | 1228454260854 |
11 | 433a9144a457 |
12 | 17a0baa1a706 |
13 | 8bac5664952 |
14 | 43659564bc2 |
15 | 21e4cc829d9 |
hex | 11e05947076 |
1228454260854 has 16 divisors (see below), whose sum is σ = 2457151828992. Its totient is φ = 409444202408.
The previous prime is 1228454260823. The next prime is 1228454260871. The reversal of 1228454260854 is 4580624548221.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1228454260797 and 1228454260806.
It is a congruent 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, 10072134 + ... + 10193369.
It is an arithmetic number, because the mean of its divisors is an integer number (153571989312).
Almost surely, 21228454260854 is an apocalyptic number.
1228454260854 is an abundant number, since it is smaller than the sum of its proper divisors (1228697568138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1228454260854 is a wasteful number, since it uses less digits than its factorization.
1228454260854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20275611.
The product of its (nonzero) digits is 4915200, while the sum is 51.
The spelling of 1228454260854 in words is "one trillion, two hundred twenty-eight billion, four hundred fifty-four million, two hundred sixty thousand, eight hundred fifty-four".
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