Base | Representation |
---|---|
bin | 100010100010011001… |
… | …1110110001110000100 |
3 | 21002102221211210120021 |
4 | 1011010303312032010 |
5 | 2203344213324043 |
6 | 54023412344524 |
7 | 5233655062450 |
oct | 1050463661604 |
9 | 232387753507 |
10 | 74168886148 |
11 | 29500447a25 |
12 | 1245b015144 |
13 | 6cc004b3a6 |
14 | 383856d660 |
15 | 1de15e63ed |
hex | 1144cf6384 |
74168886148 has 24 divisors (see below), whose sum is σ = 148351888832. Its totient is φ = 31783640544.
The previous prime is 74168886139. The next prime is 74168886161. The reversal of 74168886148 is 84168886147.
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, 187090 + ... + 428182.
Almost surely, 274168886148 is an apocalyptic number.
It is an amenable number.
74168886148 is an abundant number, since it is smaller than the sum of its proper divisors (74183002684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74168886148 is a wasteful number, since it uses less digits than its factorization.
74168886148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 252091 (or 252089 counting only the distinct ones).
The product of its digits is 16515072, while the sum is 61.
Subtracting 74168886148 from its reverse (84168886147), we obtain a palindrome (9999999999).
The spelling of 74168886148 in words is "seventy-four billion, one hundred sixty-eight million, eight hundred eighty-six thousand, one hundred forty-eight".
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