Base | Representation |
---|---|
bin | 10001011101011001… |
… | …011001101111100010 |
3 | 1210101111102120210220 |
4 | 101131121121233202 |
5 | 301343140344224 |
6 | 12340121103510 |
7 | 1232364151512 |
oct | 213531315742 |
9 | 53344376726 |
10 | 18746809314 |
11 | 7a500a3342 |
12 | 3772327b96 |
13 | 19c9b7b99c |
14 | c9baab842 |
15 | 74ac25279 |
hex | 45d659be2 |
18746809314 has 32 divisors (see below), whose sum is σ = 38617454400. Its totient is φ = 6062599872.
The previous prime is 18746809283. The next prime is 18746809339. The reversal of 18746809314 is 41390864781.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43504 + ... + 198459.
It is an arithmetic number, because the mean of its divisors is an integer number (1206795450).
Almost surely, 218746809314 is an apocalyptic number.
18746809314 is an abundant number, since it is smaller than the sum of its proper divisors (19870645086).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18746809314 is a wasteful number, since it uses less digits than its factorization.
18746809314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 242354.
The product of its (nonzero) digits is 1161216, while the sum is 51.
The spelling of 18746809314 in words is "eighteen billion, seven hundred forty-six million, eight hundred nine thousand, three hundred fourteen".
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