Base | Representation |
---|---|
bin | 11001100101010001… |
… | …011110000001100101 |
3 | 2121220100112210020210 |
4 | 121211101132001211 |
5 | 422224013211041 |
6 | 20341413250033 |
7 | 1661463434100 |
oct | 314521360145 |
9 | 77810483223 |
10 | 27468882021 |
11 | 10716516699 |
12 | 53a7333919 |
13 | 2789b8bb59 |
14 | 1488217737 |
15 | aab803016 |
hex | 66545e065 |
27468882021 has 24 divisors (see below), whose sum is σ = 42632973984. Its totient is φ = 15686123040.
The previous prime is 27468882019. The next prime is 27468882031. The reversal of 27468882021 is 12028886472.
It is not a de Polignac number, because 27468882021 - 21 = 27468882019 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27468882031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164031 + ... + 286083.
It is an arithmetic number, because the mean of its divisors is an integer number (1776373916).
Almost surely, 227468882021 is an apocalyptic number.
27468882021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
27468882021 is a deficient number, since it is larger than the sum of its proper divisors (15164091963).
27468882021 is a wasteful number, since it uses less digits than its factorization.
27468882021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123601 (or 123594 counting only the distinct ones).
The product of its (nonzero) digits is 688128, while the sum is 48.
The spelling of 27468882021 in words is "twenty-seven billion, four hundred sixty-eight million, eight hundred eighty-two thousand, twenty-one".
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