Base | Representation |
---|---|
bin | 1000100100010001100011… |
… | …10100001011110100111010 |
3 | 2110200221121210120102011000 |
4 | 10102020301310023310322 |
5 | 4432122333423330040 |
6 | 104022152133545430 |
7 | 3653020064454510 |
oct | 422106164136472 |
9 | 73627553512130 |
10 | 18838562323770 |
11 | 6003431347612 |
12 | 21430584a5276 |
13 | a68612c6abb7 |
14 | 491b113c24b0 |
15 | 22a07a849130 |
hex | 112231d0bd3a |
18838562323770 has 64 divisors (see below), whose sum is σ = 57412761373440. Its totient is φ = 4305957102144.
The previous prime is 18838562323753. The next prime is 18838562323771. The reversal of 18838562323770 is 7732326583881.
18838562323770 is a `hidden beast` number, since 1 + 8 + 8 + 3 + 8 + 562 + 32 + 37 + 7 + 0 = 666.
18838562323770 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a junction number, because it is equal to n+sod(n) for n = 18838562323698 and 18838562323707.
It is not an unprimeable number, because it can be changed into a prime (18838562323771) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4983744757 + ... + 4983748536.
It is an arithmetic number, because the mean of its divisors is an integer number (897074396460).
Almost surely, 218838562323770 is an apocalyptic number.
18838562323770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18838562323770 is an abundant number, since it is smaller than the sum of its proper divisors (38574199049670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18838562323770 is a wasteful number, since it uses less digits than its factorization.
18838562323770 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9967493316 (or 9967493310 counting only the distinct ones).
The product of its (nonzero) digits is 81285120, while the sum is 63.
The spelling of 18838562323770 in words is "eighteen trillion, eight hundred thirty-eight billion, five hundred sixty-two million, three hundred twenty-three thousand, seven hundred seventy".
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