Base | Representation |
---|---|
bin | 11010011001010100… |
… | …011100110100010111 |
3 | 2201011012121202222010 |
4 | 122121110130310113 |
5 | 431021033004433 |
6 | 21004205035303 |
7 | 2022225460116 |
oct | 323124346427 |
9 | 81135552863 |
10 | 28342078743 |
11 | 11024401280 |
12 | 55ab855b33 |
13 | 2898a5c5c4 |
14 | 152c197c7d |
15 | b0d2d7e63 |
hex | 69951cd17 |
28342078743 has 16 divisors (see below), whose sum is σ = 41306823936. Its totient is φ = 17142858240.
The previous prime is 28342078643. The next prime is 28342078781. The reversal of 28342078743 is 34787024382.
It is not a de Polignac number, because 28342078743 - 220 = 28341030167 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 28342078692 and 28342078701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28342078643) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837130 + ... + 870327.
It is an arithmetic number, because the mean of its divisors is an integer number (2581676496).
Almost surely, 228342078743 is an apocalyptic number.
28342078743 is a deficient number, since it is larger than the sum of its proper divisors (12964745193).
28342078743 is a wasteful number, since it uses less digits than its factorization.
28342078743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1707974.
The product of its (nonzero) digits is 1806336, while the sum is 48.
The spelling of 28342078743 in words is "twenty-eight billion, three hundred forty-two million, seventy-eight thousand, seven hundred forty-three".
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