Base | Representation |
---|---|
bin | 11001111011011100100… |
… | …11110101001001101000 |
3 | 10011011120222022111100020 |
4 | 30331232103311021220 |
5 | 104044040141004342 |
6 | 1521140010040440 |
7 | 121236360615222 |
oct | 14755623651150 |
9 | 3134528274306 |
10 | 890908922472 |
11 | 313917951788 |
12 | 1247b7719120 |
13 | 6602119a5aa |
14 | 31197c63412 |
15 | 1829435e0ec |
hex | cf6e4f5268 |
890908922472 has 96 divisors (see below), whose sum is σ = 2351257984800. Its totient is φ = 281268920448.
The previous prime is 890908922441. The next prime is 890908922473. The reversal of 890908922472 is 274229809098.
It is not an unprimeable number, because it can be changed into a prime (890908922473) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42521103 + ... + 42542049.
It is an arithmetic number, because the mean of its divisors is an integer number (24492270675).
Almost surely, 2890908922472 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 890908922472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175628992400).
890908922472 is an abundant number, since it is smaller than the sum of its proper divisors (1460349062328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
890908922472 is a wasteful number, since it uses less digits than its factorization.
890908922472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25903 (or 25880 counting only the distinct ones).
The product of its (nonzero) digits is 10450944, while the sum is 60.
The spelling of 890908922472 in words is "eight hundred ninety billion, nine hundred eight million, nine hundred twenty-two thousand, four hundred seventy-two".
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