Base | Representation |
---|---|
bin | 11001111001001000… |
… | …101011000000101100 |
3 | 2122202120121001010220 |
4 | 121321020223000230 |
5 | 423414320321421 |
6 | 20434435531340 |
7 | 2002651060062 |
oct | 317110530054 |
9 | 78676531126 |
10 | 27802120236 |
11 | 10877632480 |
12 | 547aa59b50 |
13 | 2810c26827 |
14 | 14ba5a0032 |
15 | acabca3c6 |
hex | 67922b02c |
27802120236 has 48 divisors (see below), whose sum is σ = 70784208768. Its totient is φ = 8423078400.
The previous prime is 27802120211. The next prime is 27802120277. The reversal of 27802120236 is 63202120872.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 27802120197 and 27802120206.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677151 + ... + 717033.
It is an arithmetic number, because the mean of its divisors is an integer number (1474671016).
Almost surely, 227802120236 is an apocalyptic number.
It is an amenable number.
27802120236 is an abundant number, since it is smaller than the sum of its proper divisors (42982088532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27802120236 is a wasteful number, since it uses less digits than its factorization.
27802120236 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45182 (or 45180 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 33.
The spelling of 27802120236 in words is "twenty-seven billion, eight hundred two million, one hundred twenty thousand, two hundred thirty-six".
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