Base | Representation |
---|---|
bin | 10001000010110111… |
… | …101100001000101110 |
3 | 1202020110222221121101 |
4 | 101002313230020232 |
5 | 244440222423032 |
6 | 12224022153314 |
7 | 1215351266644 |
oct | 210267541056 |
9 | 52213887541 |
10 | 18301764142 |
11 | 7841961312 |
12 | 366928283a |
13 | 19588c834c |
14 | c5893d194 |
15 | 721b14de7 |
hex | 442dec22e |
18301764142 has 4 divisors (see below), whose sum is σ = 27452646216. Its totient is φ = 9150882070.
The previous prime is 18301764083. The next prime is 18301764197. The reversal of 18301764142 is 24146710381.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4575441034 + ... + 4575441037.
It is an arithmetic number, because the mean of its divisors is an integer number (6863161554).
Almost surely, 218301764142 is an apocalyptic number.
18301764142 is a deficient number, since it is larger than the sum of its proper divisors (9150882074).
18301764142 is an equidigital number, since it uses as much as digits as its factorization.
18301764142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9150882073.
The product of its (nonzero) digits is 32256, while the sum is 37.
The spelling of 18301764142 in words is "eighteen billion, three hundred one million, seven hundred sixty-four thousand, one hundred forty-two".
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