Base | Representation |
---|---|
bin | 1000010100000101111001… |
… | …11100101010101111110000 |
3 | 2101201210110101212010000110 |
4 | 10022002330330222233300 |
5 | 4344020131003111422 |
6 | 102514515442021320 |
7 | 3564604436662500 |
oct | 412027474525760 |
9 | 71653411763013 |
10 | 18282550832112 |
11 | 590964a357446 |
12 | 2073345347840 |
13 | a280637bcb68 |
14 | 472c4730ba00 |
15 | 21a88771860c |
hex | 10a0bcf2abf0 |
18282550832112 has 120 divisors (see below), whose sum is σ = 54968706777600. Its totient is φ = 5220945115008.
The previous prime is 18282550832099. The next prime is 18282550832137. The reversal of 18282550832112 is 21123805528281.
It is a super-2 number, since 2×182825508321122 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2690689 + ... + 6618527.
It is an arithmetic number, because the mean of its divisors is an integer number (458072556480).
Almost surely, 218282550832112 is an apocalyptic number.
18282550832112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 18282550832112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27484353388800).
18282550832112 is an abundant number, since it is smaller than the sum of its proper divisors (36686155945488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18282550832112 is a wasteful number, since it uses less digits than its factorization.
18282550832112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3929843 (or 3929830 counting only the distinct ones).
The product of its (nonzero) digits is 614400, while the sum is 48.
The spelling of 18282550832112 in words is "eighteen trillion, two hundred eighty-two billion, five hundred fifty million, eight hundred thirty-two thousand, one hundred twelve".
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