Base | Representation |
---|---|
bin | 10011111110111010… |
… | …11011010111001111 |
3 | 1000200200021220201211 |
4 | 21333131123113033 |
5 | 133432424332104 |
6 | 4532321515251 |
7 | 526600341505 |
oct | 117735332717 |
9 | 30620256654 |
10 | 10728355279 |
11 | 4605971124 |
12 | 20b4aa2b27 |
13 | 101c877025 |
14 | 73ab9c675 |
15 | 42bcd1e04 |
hex | 27f75b5cf |
10728355279 has 4 divisors (see below), whose sum is σ = 10775616984. Its totient is φ = 10681093576.
The previous prime is 10728355273. The next prime is 10728355289. The reversal of 10728355279 is 97255382701.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97255382701 = 89 ⋅1092757109.
It is a cyclic number.
It is not a de Polignac number, because 10728355279 - 25 = 10728355247 is a prime.
It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10728355273) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23630512 + ... + 23630965.
It is an arithmetic number, because the mean of its divisors is an integer number (2693904246).
Almost surely, 210728355279 is an apocalyptic number.
10728355279 is a deficient number, since it is larger than the sum of its proper divisors (47261705).
10728355279 is an equidigital number, since it uses as much as digits as its factorization.
10728355279 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47261704.
The product of its (nonzero) digits is 1058400, while the sum is 49.
The spelling of 10728355279 in words is "ten billion, seven hundred twenty-eight million, three hundred fifty-five thousand, two hundred seventy-nine".
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