Base | Representation |
---|---|
bin | 10110101100010010… |
… | …11011100100100010 |
3 | 1011110000221212012211 |
4 | 23112021123210202 |
5 | 144422234343132 |
6 | 5332514112334 |
7 | 610620335206 |
oct | 132611334442 |
9 | 34400855184 |
10 | 12182731042 |
11 | 519191a169 |
12 | 243bb7b6aa |
13 | 11c1c837c1 |
14 | 837dc6b06 |
15 | 4b4818147 |
hex | 2d625b922 |
12182731042 has 8 divisors (see below), whose sum is σ = 18276772176. Its totient is φ = 6090473652.
The previous prime is 12182731039. The next prime is 12182731073. The reversal of 12182731042 is 24013728121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 12182730995 and 12182731013.
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, 428728 + ... + 456259.
It is an arithmetic number, because the mean of its divisors is an integer number (2284596522).
Almost surely, 212182731042 is an apocalyptic number.
12182731042 is a deficient number, since it is larger than the sum of its proper divisors (6094041134).
12182731042 is an equidigital number, since it uses as much as digits as its factorization.
12182731042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 891872.
The product of its (nonzero) digits is 5376, while the sum is 31.
The spelling of 12182731042 in words is "twelve billion, one hundred eighty-two million, seven hundred thirty-one thousand, forty-two".
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