Base | Representation |
---|---|
bin | 10110101100001001… |
… | …01010101000111100 |
3 | 1011102221121101220122 |
4 | 23112010222220330 |
5 | 144421424411134 |
6 | 5332431234112 |
7 | 610603613624 |
oct | 132604525074 |
9 | 34387541818 |
10 | 12181482044 |
11 | 5191146836 |
12 | 243b678938 |
13 | 11c1937154 |
14 | 837b7d884 |
15 | 4b466d02e |
hex | 2d612aa3c |
12181482044 has 12 divisors (see below), whose sum is σ = 21513168600. Its totient is φ = 6034862448.
The previous prime is 12181482031. The next prime is 12181482059. The reversal of 12181482044 is 44028418121.
It is a junction number, because it is equal to n+sod(n) for n = 12181481995 and 12181482013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13969154 + ... + 13970025.
It is an arithmetic number, because the mean of its divisors is an integer number (1792764050).
Almost surely, 212181482044 is an apocalyptic number.
It is an amenable number.
12181482044 is a deficient number, since it is larger than the sum of its proper divisors (9331686556).
12181482044 is a wasteful number, since it uses less digits than its factorization.
12181482044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27939292 (or 27939290 counting only the distinct ones).
The product of its (nonzero) digits is 16384, while the sum is 35.
The spelling of 12181482044 in words is "twelve billion, one hundred eighty-one million, four hundred eighty-two thousand, forty-four".
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