Base | Representation |
---|---|
bin | 10110110100001010… |
… | …00010000000110010 |
3 | 1011121122001202021211 |
4 | 23122011002000302 |
5 | 200041130433032 |
6 | 5343231510334 |
7 | 612351055453 |
oct | 133205020062 |
9 | 34548052254 |
10 | 12248686642 |
11 | 5216078625 |
12 | 245a0883aa |
13 | 120283749a |
14 | 842a7512a |
15 | 4ba4e5747 |
hex | 2da142032 |
12248686642 has 8 divisors (see below), whose sum is σ = 19340031600. Its totient is φ = 5802009444.
The previous prime is 12248686633. The next prime is 12248686663. The reversal of 12248686642 is 24668684221.
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, 161166892 + ... + 161166967.
It is an arithmetic number, because the mean of its divisors is an integer number (2417503950).
Almost surely, 212248686642 is an apocalyptic number.
12248686642 is a deficient number, since it is larger than the sum of its proper divisors (7091344958).
12248686642 is a wasteful number, since it uses less digits than its factorization.
12248686642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322333880.
The product of its digits is 1769472, while the sum is 49.
The spelling of 12248686642 in words is "twelve billion, two hundred forty-eight million, six hundred eighty-six thousand, six hundred forty-two".
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