Base | Representation |
---|---|
bin | 100010100000101001… |
… | …1111100000111000010 |
3 | 21002021212101201121112 |
4 | 1011001103330013002 |
5 | 2203234202040033 |
6 | 54013514323322 |
7 | 5232343135634 |
oct | 1050123740702 |
9 | 232255351545 |
10 | 74110190018 |
11 | 294802a7727 |
12 | 12443429542 |
13 | 6cb0b39a57 |
14 | 3830850a54 |
15 | 1ddb39ec48 |
hex | 11414fc1c2 |
74110190018 has 6 divisors (see below), whose sum is σ = 111165862521. Its totient is φ = 37054902512.
The previous prime is 74110190017. The next prime is 74110190027. The reversal of 74110190018 is 81009101147.
It can be written as a sum of positive squares in 2 ways, for example, as 53094758929 + 21015431089 = 230423^2 + 144967^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=192497.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74110190017) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 288746 + ... + 481242.
Almost surely, 274110190018 is an apocalyptic number.
74110190018 is a deficient number, since it is larger than the sum of its proper divisors (37055672503).
74110190018 is an frugal number, since it uses more digits than its factorization.
74110190018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 384996 (or 192499 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 32.
Multiplying 74110190018 by its sum of digits (32), we get a square (2371526080576 = 15399762).
The spelling of 74110190018 in words is "seventy-four billion, one hundred ten million, one hundred ninety thousand, eighteen".
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