Base | Representation |
---|---|
bin | 10110101001010110… |
… | …00111001100101101 |
3 | 1011101022102200220210 |
4 | 23110223013030231 |
5 | 144344422143221 |
6 | 5330232133033 |
7 | 610200226545 |
oct | 132453071455 |
9 | 34338380823 |
10 | 12158006061 |
11 | 51799719a3 |
12 | 2433837179 |
13 | 11b9b07836 |
14 | 8349cc325 |
15 | 4b2582276 |
hex | 2d4ac732d |
12158006061 has 16 divisors (see below), whose sum is σ = 16648924160. Its totient is φ = 7887605040.
The previous prime is 12158006051. The next prime is 12158006089. The reversal of 12158006061 is 16060085121.
It is not a de Polignac number, because 12158006061 - 215 = 12157973293 is a prime.
It is a super-2 number, since 2×121580060612 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12158006051) 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, 138931 + ... + 208848.
It is an arithmetic number, because the mean of its divisors is an integer number (1040557760).
Almost surely, 212158006061 is an apocalyptic number.
It is an amenable number.
12158006061 is a deficient number, since it is larger than the sum of its proper divisors (4490918099).
12158006061 is a wasteful number, since it uses less digits than its factorization.
12158006061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 348096.
The product of its (nonzero) digits is 2880, while the sum is 30.
The spelling of 12158006061 in words is "twelve billion, one hundred fifty-eight million, six thousand, sixty-one".
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