Base | Representation |
---|---|
bin | 10110011010001101… |
… | …00010000100011111 |
3 | 1011001110101220211100 |
4 | 23031012202010133 |
5 | 144114412220122 |
6 | 5305453324143 |
7 | 604065416421 |
oct | 131506420437 |
9 | 34043356740 |
10 | 12030976287 |
11 | 5114199610 |
12 | 23b9196653 |
13 | 11996bbca5 |
14 | 821ba2811 |
15 | 4a633daac |
hex | 2cd1a211f |
12030976287 has 24 divisors (see below), whose sum is σ = 18979655760. Its totient is φ = 7283134080.
The previous prime is 12030976267. The next prime is 12030976289. The reversal of 12030976287 is 78267903021.
12030976287 is a `hidden beast` number, since 12 + 0 + 3 + 0 + 9 + 7 + 628 + 7 = 666.
It is not a de Polignac number, because 12030976287 - 27 = 12030976159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12030976289) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17539 + ... + 156107.
It is an arithmetic number, because the mean of its divisors is an integer number (790818990).
Almost surely, 212030976287 is an apocalyptic number.
12030976287 is a deficient number, since it is larger than the sum of its proper divisors (6948679473).
12030976287 is a wasteful number, since it uses less digits than its factorization.
12030976287 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 139463 (or 139460 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 45.
The spelling of 12030976287 in words is "twelve billion, thirty million, nine hundred seventy-six thousand, two hundred eighty-seven".
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