Base | Representation |
---|---|
bin | 10110101001110010… |
… | …10011000111010011 |
3 | 1011101120102122011221 |
4 | 23110321103013103 |
5 | 144401400144013 |
6 | 5330443545511 |
7 | 610243645600 |
oct | 132471230723 |
9 | 34346378157 |
10 | 12161724883 |
11 | 5180a81a00 |
12 | 2434b2b297 |
13 | 11ba80a419 |
14 | 8352b96a7 |
15 | 4b2a6908d |
hex | 2d4e531d3 |
12161724883 has 36 divisors (see below), whose sum is σ = 15763931400. Its totient is φ = 9346518720.
The previous prime is 12161724859. The next prime is 12161724893. The reversal of 12161724883 is 38842716121.
It is not a de Polignac number, because 12161724883 - 221 = 12159627731 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12161724823) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 418768 + ... + 446866.
Almost surely, 212161724883 is an apocalyptic number.
12161724883 is a deficient number, since it is larger than the sum of its proper divisors (3602206517).
12161724883 is a wasteful number, since it uses less digits than its factorization.
12161724883 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28208 (or 28190 counting only the distinct ones).
The product of its digits is 129024, while the sum is 43.
The spelling of 12161724883 in words is "twelve billion, one hundred sixty-one million, seven hundred twenty-four thousand, eight hundred eighty-three".
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