Base | Representation |
---|---|
bin | 11010100100111001… |
… | …111111010100111000 |
3 | 2201122202101210222120 |
4 | 122210321333110320 |
5 | 431420314000132 |
6 | 21035351321240 |
7 | 2030105661006 |
oct | 324471772470 |
9 | 81582353876 |
10 | 28536468792 |
11 | 11114102407 |
12 | 5644980220 |
13 | 28ca1012c0 |
14 | 1549d19a76 |
15 | b203d502c |
hex | 6a4e7f538 |
28536468792 has 32 divisors (see below), whose sum is σ = 76828955280. Its totient is φ = 8780451840.
The previous prime is 28536468757. The next prime is 28536468799. The reversal of 28536468792 is 29786463582.
It is a super-2 number, since 2×285364687922 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28536468799) 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, 45731209 + ... + 45731832.
Almost surely, 228536468792 is an apocalyptic number.
It is an amenable number.
28536468792 is an abundant number, since it is smaller than the sum of its proper divisors (48292486488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28536468792 is a wasteful number, since it uses less digits than its factorization.
28536468792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91463063 (or 91463059 counting only the distinct ones).
The product of its digits is 34836480, while the sum is 60.
The spelling of 28536468792 in words is "twenty-eight billion, five hundred thirty-six million, four hundred sixty-eight thousand, seven hundred ninety-two".
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