Base | Representation |
---|---|
bin | 10111011110000101… |
… | …00010101001011101 |
3 | 1012112010210101011102 |
4 | 23233002202221131 |
5 | 201301142333141 |
6 | 5442153202445 |
7 | 624151153043 |
oct | 135702425135 |
9 | 35463711142 |
10 | 12600355421 |
11 | 5386632585 |
12 | 2537a00425 |
13 | 125a656114 |
14 | 877658393 |
15 | 4db30d99b |
hex | 2ef0a2a5d |
12600355421 has 8 divisors (see below), whose sum is σ = 12732387360. Its totient is φ = 12468914928.
The previous prime is 12600355399. The next prime is 12600355423. The reversal of 12600355421 is 12455300621.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12600355421 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12600355423) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104966 + ... + 190311.
It is an arithmetic number, because the mean of its divisors is an integer number (1591548420).
Almost surely, 212600355421 is an apocalyptic number.
It is an amenable number.
12600355421 is a deficient number, since it is larger than the sum of its proper divisors (132031939).
12600355421 is a wasteful number, since it uses less digits than its factorization.
12600355421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 295723.
The product of its (nonzero) digits is 7200, while the sum is 29.
The spelling of 12600355421 in words is "twelve billion, six hundred million, three hundred fifty-five thousand, four hundred twenty-one".
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