Base | Representation |
---|---|
bin | 1000001100111011001110… |
… | …01100000000000000000000 |
3 | 2100212020211200100120000000 |
4 | 10012131213030000000000 |
5 | 4331001320002444010 |
6 | 102205432240000000 |
7 | 3541036204613226 |
oct | 406354714000000 |
9 | 70766750316000 |
10 | 18036298874880 |
11 | 5824173567200 |
12 | 2033680000000 |
13 | a0aa7b0a6170 |
14 | 464d665c4b16 |
15 | 2142739a57c0 |
hex | 106767300000 |
18036298874880 has 2016 divisors, whose sum is σ = 76848336788160. Its totient is φ = 4036094853120.
The previous prime is 18036298874861. The next prime is 18036298874917. The reversal of 18036298874880 is 8847889263081.
18036298874880 is a `hidden beast` number, since 1 + 8 + 0 + 3 + 62 + 9 + 8 + 87 + 488 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (72).
It is a junction number, because it is equal to n+sod(n) for n = 18036298874799 and 18036298874808.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1387407605754 + ... + 1387407605766.
Almost surely, 218036298874880 is an apocalyptic number.
18036298874880 is a gapful number since it is divisible by the number (10) 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 18036298874880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38424168394080).
18036298874880 is an abundant number, since it is smaller than the sum of its proper divisors (58812037913280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18036298874880 is an frugal number, since it uses more digits than its factorization.
18036298874880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 101 (or 34 counting only the distinct ones).
The product of its (nonzero) digits is 297271296, while the sum is 72.
The spelling of 18036298874880 in words is "eighteen trillion, thirty-six billion, two hundred ninety-eight million, eight hundred seventy-four thousand, eight hundred eighty".
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