Base | Representation |
---|---|
bin | 1101000111111000111101… |
… | …00011010101010101100111 |
3 | 10210011211120100211022221011 |
4 | 12203330132203111111213 |
5 | 12240303444321400433 |
6 | 141213210455003051 |
7 | 6035644000215502 |
oct | 643743643252547 |
9 | 123154510738834 |
10 | 28858397840743 |
11 | 9216861276069 |
12 | 32a0b4b069487 |
13 | 13144486a0bc3 |
14 | 71aa7aa1c139 |
15 | 350a16d673cd |
hex | 1a3f1e8d5567 |
28858397840743 has 8 divisors (see below), whose sum is σ = 29062131026096. Its totient is φ = 28655296387200.
The previous prime is 28858397840717. The next prime is 28858397840813. The reversal of 28858397840743 is 34704879385882.
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 28858397840743 - 25 = 28858397840711 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 28858397840743.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28858397840443) 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, 157841268 + ... + 158023993.
It is an arithmetic number, because the mean of its divisors is an integer number (3632766378262).
Almost surely, 228858397840743 is an apocalyptic number.
28858397840743 is a deficient number, since it is larger than the sum of its proper divisors (203733185353).
28858397840743 is a wasteful number, since it uses less digits than its factorization.
28858397840743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 315865905.
The product of its (nonzero) digits is 2601123840, while the sum is 76.
The spelling of 28858397840743 in words is "twenty-eight trillion, eight hundred fifty-eight billion, three hundred ninety-seven million, eight hundred forty thousand, seven hundred forty-three".
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