Base | Representation |
---|---|
bin | 1000100010100110000011… |
… | …10100100111100100111000 |
3 | 2110111102122122102100212122 |
4 | 10101103001310213210320 |
5 | 4430201134244030032 |
6 | 103535445225100412 |
7 | 3645604640644310 |
oct | 421230164474470 |
9 | 73442578370778 |
10 | 18780848814392 |
11 | 5a90a055a3825 |
12 | 2133a30327708 |
13 | a63046135b52 |
14 | 48cdd8482440 |
15 | 2287edbea012 |
hex | 1114c1d27938 |
18780848814392 has 64 divisors (see below), whose sum is σ = 42261925547520. Its totient is φ = 7649943320448.
The previous prime is 18780848814373. The next prime is 18780848814407. The reversal of 18780848814392 is 29341884808781.
It is a congruent number.
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, 46235378 + ... + 46639809.
It is an arithmetic number, because the mean of its divisors is an integer number (660342586680).
Almost surely, 218780848814392 is an apocalyptic number.
It is an amenable number.
18780848814392 is an abundant number, since it is smaller than the sum of its proper divisors (23481076733128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18780848814392 is a wasteful number, since it uses less digits than its factorization.
18780848814392 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 92875380 (or 92875376 counting only the distinct ones).
The product of its (nonzero) digits is 198180864, while the sum is 71.
The spelling of 18780848814392 in words is "eighteen trillion, seven hundred eighty billion, eight hundred forty-eight million, eight hundred fourteen thousand, three hundred ninety-two".
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