Base | Representation |
---|---|
bin | 10111100011001011… |
… | …11000101000010010 |
3 | 1012122010100211111011 |
4 | 23301211320220102 |
5 | 201343123044210 |
6 | 5450323041134 |
7 | 625211133211 |
oct | 136145705022 |
9 | 35563324434 |
10 | 12643174930 |
11 | 53a8819501 |
12 | 254a2101aa |
13 | 12664990c9 |
14 | 87d203078 |
15 | 4dee6ad8a |
hex | 2f1978a12 |
12643174930 has 8 divisors (see below), whose sum is σ = 22757714892. Its totient is φ = 5057269968.
The previous prime is 12643174919. The next prime is 12643174949. The reversal of 12643174930 is 3947134621.
12643174930 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 12445856721 + 197318209 = 111561^2 + 14047^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632158737 + ... + 632158756.
Almost surely, 212643174930 is an apocalyptic number.
12643174930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12643174930 is a deficient number, since it is larger than the sum of its proper divisors (10114539962).
12643174930 is a wasteful number, since it uses less digits than its factorization.
12643174930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1264317500.
The product of its (nonzero) digits is 108864, while the sum is 40.
The spelling of 12643174930 in words is "twelve billion, six hundred forty-three million, one hundred seventy-four thousand, nine hundred thirty".
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