Base | Representation |
---|---|
bin | 10110101001000101… |
… | …10101010101011101 |
3 | 1011101011100102210120 |
4 | 23110202311111131 |
5 | 144343343220431 |
6 | 5330113425153 |
7 | 610142620230 |
oct | 132442652535 |
9 | 34334312716 |
10 | 12155835741 |
11 | 517871a345 |
12 | 2432b6b1b9 |
13 | 11b9527a1a |
14 | 8345c5417 |
15 | 4b22a4196 |
hex | 2d48b555d |
12155835741 has 16 divisors (see below), whose sum is σ = 18917289984. Its totient is φ = 6798399984.
The previous prime is 12155835719. The next prime is 12155835743. The reversal of 12155835741 is 14753855121.
It is not a de Polignac number, because 12155835741 - 27 = 12155835613 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12155835693 and 12155835702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12155835743) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6156985 + ... + 6158958.
It is an arithmetic number, because the mean of its divisors is an integer number (1182330624).
Almost surely, 212155835741 is an apocalyptic number.
It is an amenable number.
12155835741 is a deficient number, since it is larger than the sum of its proper divisors (6761454243).
12155835741 is a wasteful number, since it uses less digits than its factorization.
12155835741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12316000.
The product of its digits is 168000, while the sum is 42.
The spelling of 12155835741 in words is "twelve billion, one hundred fifty-five million, eight hundred thirty-five thousand, seven hundred forty-one".
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