Base | Representation |
---|---|
bin | 11010001011010100… |
… | …110110100101111110 |
3 | 2200112211211221121010 |
4 | 122023110312211332 |
5 | 430030432201134 |
6 | 20525021020050 |
7 | 2013345064440 |
oct | 321324664576 |
9 | 80484757533 |
10 | 28107303294 |
11 | 10a13926a84 |
12 | 55450b4626 |
13 | 285c21a815 |
14 | 1508d22490 |
15 | ae78aece9 |
hex | 68b53697e |
28107303294 has 64 divisors (see below), whose sum is σ = 68052441600. Its totient is φ = 7555150848.
The previous prime is 28107303251. The next prime is 28107303349. The reversal of 28107303294 is 49230370182.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2113237 + ... + 2126495.
It is an arithmetic number, because the mean of its divisors is an integer number (1063319400).
Almost surely, 228107303294 is an apocalyptic number.
28107303294 is an abundant number, since it is smaller than the sum of its proper divisors (39945138306).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28107303294 is a wasteful number, since it uses less digits than its factorization.
28107303294 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16257.
The product of its (nonzero) digits is 72576, while the sum is 39.
The spelling of 28107303294 in words is "twenty-eight billion, one hundred seven million, three hundred three thousand, two hundred ninety-four".
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