Base | Representation |
---|---|
bin | 10110100111011110… |
… | …01000111011111110 |
3 | 1011100012211222001022 |
4 | 23103233020323332 |
5 | 144331411101132 |
6 | 5324511144142 |
7 | 606616500323 |
oct | 132357107376 |
9 | 34305758038 |
10 | 12142284542 |
11 | 5171004103 |
12 | 242a515052 |
13 | 11b679196b |
14 | 832898b4a |
15 | 4b0ec8e12 |
hex | 2d3bc8efe |
12142284542 has 8 divisors (see below), whose sum is σ = 18237489096. Its totient is φ = 6063121512.
The previous prime is 12142284541. The next prime is 12142284589. The reversal of 12142284542 is 24548224121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12142284541) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4008488 + ... + 4011515.
It is an arithmetic number, because the mean of its divisors is an integer number (2279686137).
Almost surely, 212142284542 is an apocalyptic number.
12142284542 is a deficient number, since it is larger than the sum of its proper divisors (6095204554).
12142284542 is an equidigital number, since it uses as much as digits as its factorization.
12142284542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8020762.
The product of its digits is 40960, while the sum is 35.
The spelling of 12142284542 in words is "twelve billion, one hundred forty-two million, two hundred eighty-four thousand, five hundred forty-two".
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