Base | Representation |
---|---|
bin | 11001001010101110… |
… | …100001011000101100 |
3 | 2120202022111200222202 |
4 | 121022232201120230 |
5 | 420321004410012 |
6 | 20225303401032 |
7 | 1644445033400 |
oct | 311256413054 |
9 | 76668450882 |
10 | 27023513132 |
11 | 10508083430 |
12 | 52a2153178 |
13 | 2718824075 |
14 | 1445003100 |
15 | a8267bcc2 |
hex | 64aba162c |
27023513132 has 72 divisors (see below), whose sum is σ = 60997377168. Its totient is φ = 10355990400.
The previous prime is 27023513063. The next prime is 27023513141. The reversal of 27023513132 is 23131532072.
It is a junction number, because it is equal to n+sod(n) for n = 27023513095 and 27023513104.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28778 + ... + 234254.
It is an arithmetic number, because the mean of its divisors is an integer number (847185794).
Almost surely, 227023513132 is an apocalyptic number.
27023513132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27023513132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30498688584).
27023513132 is an abundant number, since it is smaller than the sum of its proper divisors (33973864036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27023513132 is a wasteful number, since it uses less digits than its factorization.
27023513132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 205567 (or 205558 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 29.
The spelling of 27023513132 in words is "twenty-seven billion, twenty-three million, five hundred thirteen thousand, one hundred thirty-two".
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