Base | Representation |
---|---|
bin | 10111100011011100… |
… | …10101101011001110 |
3 | 1012122021112102102211 |
4 | 23301232111223032 |
5 | 201344210003204 |
6 | 5450442341034 |
7 | 625236023212 |
oct | 136156255316 |
9 | 35567472384 |
10 | 12645391054 |
11 | 53a9aa250a |
12 | 254aaba77a |
13 | 1266a93a1a |
14 | 87d61c942 |
15 | 4e0257804 |
hex | 2f1b95ace |
12645391054 has 8 divisors (see below), whose sum is σ = 19047451680. Its totient is φ = 6296240496.
The previous prime is 12645390971. The next prime is 12645391063. The reversal of 12645391054 is 45019354621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 12645390998 and 12645391016.
It is a congruent number.
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, 13226919 + ... + 13227874.
It is an arithmetic number, because the mean of its divisors is an integer number (2380931460).
Almost surely, 212645391054 is an apocalyptic number.
12645391054 is a deficient number, since it is larger than the sum of its proper divisors (6402060626).
12645391054 is a wasteful number, since it uses less digits than its factorization.
12645391054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26455034.
The product of its (nonzero) digits is 129600, while the sum is 40.
The spelling of 12645391054 in words is "twelve billion, six hundred forty-five million, three hundred ninety-one thousand, fifty-four".
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