Base | Representation |
---|---|
bin | 1100110001000110110001… |
… | …01010100001111111000000 |
3 | 10200101222212202002021001202 |
4 | 12120203120222201333000 |
5 | 12134442202031241220 |
6 | 135413420421520332 |
7 | 5625251041206203 |
oct | 630433052417700 |
9 | 120358782067052 |
10 | 28075541274560 |
11 | 8a4485213799a |
12 | 3195289b730a8 |
13 | 1288687357c10 |
14 | 6d0c1343193a |
15 | 33a498b31275 |
hex | 1988d8aa1fc0 |
28075541274560 has 112 divisors (see below), whose sum is σ = 74320068410112. Its totient is φ = 10031955148800.
The previous prime is 28075541274503. The next prime is 28075541274563. The reversal of 28075541274560 is 6547214557082.
It is a junction number, because it is equal to n+sod(n) for n = 28075541274496 and 28075541274505.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28075541274563) 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, 108724721 + ... + 108982640.
It is an arithmetic number, because the mean of its divisors is an integer number (663572039376).
Almost surely, 228075541274560 is an apocalyptic number.
28075541274560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28075541274560 is an abundant number, since it is smaller than the sum of its proper divisors (46244527135552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28075541274560 is a wasteful number, since it uses less digits than its factorization.
28075541274560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217707422 (or 217707412 counting only the distinct ones).
The product of its (nonzero) digits is 18816000, while the sum is 56.
The spelling of 28075541274560 in words is "twenty-eight trillion, seventy-five billion, five hundred forty-one million, two hundred seventy-four thousand, five hundred sixty".
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