Base | Representation |
---|---|
bin | 10011100111011101101… |
… | …00000101001110101000 |
3 | 2101102202201102022100101 |
4 | 21303232310011032220 |
5 | 42020344002402423 |
6 | 1233350300315144 |
7 | 66460611314350 |
oct | 11635664051650 |
9 | 2342681368311 |
10 | 674021528488 |
11 | 23a93a643530 |
12 | aa768542ab4 |
13 | 4b7382c35c9 |
14 | 248a1015b60 |
15 | 127ed5577ad |
hex | 9ceed053a8 |
674021528488 has 128 divisors (see below), whose sum is σ = 1638980179200. Its totient is φ = 252148377600.
The previous prime is 674021528483. The next prime is 674021528501. The reversal of 674021528488 is 884825120476.
674021528488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×6740215284882 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (674021528483) 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, 3129156 + ... + 3337612.
It is an arithmetic number, because the mean of its divisors is an integer number (12804532650).
Almost surely, 2674021528488 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 674021528488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819490089600).
674021528488 is an abundant number, since it is smaller than the sum of its proper divisors (964958650712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
674021528488 is a wasteful number, since it uses less digits than its factorization.
674021528488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 208691 (or 208687 counting only the distinct ones).
The product of its (nonzero) digits is 6881280, while the sum is 55.
The spelling of 674021528488 in words is "six hundred seventy-four billion, twenty-one million, five hundred twenty-eight thousand, four hundred eighty-eight".
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