Base | Representation |
---|---|
bin | 10111110000010011… |
… | …01011100011100010 |
3 | 1012220210102210111022 |
4 | 23320021223203202 |
5 | 202104311044413 |
6 | 5505253445442 |
7 | 631015411556 |
oct | 137011534342 |
9 | 35823383438 |
10 | 12753221858 |
11 | 5454952383 |
12 | 257b040882 |
13 | 1283219930 |
14 | 88da8b866 |
15 | 4e9957608 |
hex | 2f826b8e2 |
12753221858 has 32 divisors (see below), whose sum is σ = 20919158400. Its totient is φ = 5795919360.
The previous prime is 12753221807. The next prime is 12753221863. The reversal of 12753221858 is 85812235721.
12753221858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489173 + ... + 514583.
It is an arithmetic number, because the mean of its divisors is an integer number (653723700).
Almost surely, 212753221858 is an apocalyptic number.
12753221858 is a deficient number, since it is larger than the sum of its proper divisors (8165936542).
12753221858 is a wasteful number, since it uses less digits than its factorization.
12753221858 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25722.
The product of its digits is 268800, while the sum is 44.
The spelling of 12753221858 in words is "twelve billion, seven hundred fifty-three million, two hundred twenty-one thousand, eight hundred fifty-eight".
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