Base | Representation |
---|---|
bin | 100010110000100000… |
… | …1011110000000100001 |
3 | 21010122221111121020011 |
4 | 1011201001132000201 |
5 | 2210331402002131 |
6 | 54142401444521 |
7 | 5251463251645 |
oct | 1054101360041 |
9 | 233587447204 |
10 | 74642219041 |
11 | 2972364aa35 |
12 | 12571640741 |
13 | 7067127520 |
14 | 3881382c25 |
15 | 1e1ce430b1 |
hex | 116105e021 |
74642219041 has 4 divisors (see below), whose sum is σ = 80383928212. Its totient is φ = 68900509872.
The previous prime is 74642218999. The next prime is 74642219053. The reversal of 74642219041 is 14091224647.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14091224647 = 233 ⋅60477359.
It can be written as a sum of positive squares in 2 ways, for example, as 20483620641 + 54158598400 = 143121^2 + 232720^2 .
It is a cyclic number.
It is not a de Polignac number, because 74642219041 - 219 = 74641694753 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 74642218985 and 74642219003.
It is not an unprimeable number, because it can be changed into a prime (74642219081) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2870854566 + ... + 2870854591.
It is an arithmetic number, because the mean of its divisors is an integer number (20095982053).
Almost surely, 274642219041 is an apocalyptic number.
It is an amenable number.
74642219041 is a deficient number, since it is larger than the sum of its proper divisors (5741709171).
74642219041 is a wasteful number, since it uses less digits than its factorization.
74642219041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5741709170.
The product of its (nonzero) digits is 96768, while the sum is 40.
The spelling of 74642219041 in words is "seventy-four billion, six hundred forty-two million, two hundred nineteen thousand, forty-one".
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