Base | Representation |
---|---|
bin | 10000110101101001… |
… | …101000010001000011 |
3 | 1201200000122212100222 |
4 | 100311221220101003 |
5 | 244011433140332 |
6 | 12150020333255 |
7 | 1210016150552 |
oct | 206551502103 |
9 | 51600585328 |
10 | 18079974467 |
11 | 7738746465 |
12 | 3606b4422b |
13 | 1921982159 |
14 | c372c7d99 |
15 | 70c404712 |
hex | 435a68443 |
18079974467 has 8 divisors (see below), whose sum is σ = 18532804752. Its totient is φ = 17627708800.
The previous prime is 18079974439. The next prime is 18079974541. The reversal of 18079974467 is 76447997081.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-18079974467 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (18079974427) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75938 + ... + 204759.
It is an arithmetic number, because the mean of its divisors is an integer number (2316600594).
Almost surely, 218079974467 is an apocalyptic number.
18079974467 is a deficient number, since it is larger than the sum of its proper divisors (452830285).
18079974467 is a wasteful number, since it uses less digits than its factorization.
18079974467 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 282309.
The product of its (nonzero) digits is 21337344, while the sum is 62.
The spelling of 18079974467 in words is "eighteen billion, seventy-nine million, nine hundred seventy-four thousand, four hundred sixty-seven".
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