Base | Representation |
---|---|
bin | 1100110001001110100110… |
… | …01000001001110001100111 |
3 | 10200102101201121000111021211 |
4 | 12120213103020021301213 |
5 | 12140024303243444334 |
6 | 135415353410452251 |
7 | 5625460134205534 |
oct | 630472310116147 |
9 | 120371647014254 |
10 | 28079743343719 |
11 | 8a46609097721 |
12 | 3196061294087 |
13 | 1288ba6aa9682 |
14 | 6d10d1545d8b |
15 | 33a6429bda64 |
hex | 1989d3209c67 |
28079743343719 has 8 divisors (see below), whose sum is σ = 28436001361920. Its totient is φ = 27723505781400.
The previous prime is 28079743343693. The next prime is 28079743343767. The reversal of 28079743343719 is 91734334797082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28079743343719 - 233 = 28071153409127 is a prime.
It is a super-2 number, since 2×280797433437192 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28079743343779) 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, 2341687 + ... + 7851304.
It is an arithmetic number, because the mean of its divisors is an integer number (3554500170240).
Almost surely, 228079743343719 is an apocalyptic number.
28079743343719 is a deficient number, since it is larger than the sum of its proper divisors (356258018201).
28079743343719 is a wasteful number, since it uses less digits than its factorization.
28079743343719 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10227941.
The product of its (nonzero) digits is 192036096, while the sum is 67.
The spelling of 28079743343719 in words is "twenty-eight trillion, seventy-nine billion, seven hundred forty-three million, three hundred forty-three thousand, seven hundred nineteen".
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