Base | Representation |
---|---|
bin | 10110100111001111… |
… | …11100111010011111 |
3 | 1011100002022020100002 |
4 | 23103213330322133 |
5 | 144330420302122 |
6 | 5324402524515 |
7 | 606564462011 |
oct | 132347747237 |
9 | 34302266302 |
10 | 12140400287 |
11 | 516aa37474 |
12 | 242996673b |
13 | 11b6282112 |
14 | 8325281b1 |
15 | 4b0c55992 |
hex | 2d39fce9f |
12140400287 has 8 divisors (see below), whose sum is σ = 12302976000. Its totient is φ = 11978047224.
The previous prime is 12140400277. The next prime is 12140400301. The reversal of 12140400287 is 78200404121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12140400287 - 220 = 12139351711 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12140400277) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55598 + ... + 165444.
It is an arithmetic number, because the mean of its divisors is an integer number (1537872000).
Almost surely, 212140400287 is an apocalyptic number.
12140400287 is a deficient number, since it is larger than the sum of its proper divisors (162575713).
12140400287 is a wasteful number, since it uses less digits than its factorization.
12140400287 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 111325.
The product of its (nonzero) digits is 3584, while the sum is 29.
The spelling of 12140400287 in words is "twelve billion, one hundred forty million, four hundred thousand, two hundred eighty-seven".
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