Base | Representation |
---|---|
bin | 11001011010100001… |
… | …101010000000010100 |
3 | 2121102210021021220202 |
4 | 121122201222000110 |
5 | 421341333413040 |
6 | 20311452520032 |
7 | 1654144032446 |
oct | 313241520024 |
9 | 77383237822 |
10 | 27288576020 |
11 | 10633765072 |
12 | 5356a80018 |
13 | 275b70b904 |
14 | 146c2c0496 |
15 | a9aa89015 |
hex | 65a86a014 |
27288576020 has 48 divisors (see below), whose sum is σ = 59299687440. Its totient is φ = 10535906304.
The previous prime is 27288576013. The next prime is 27288576043. The reversal of 27288576020 is 2067588272.
It can be written as a sum of positive squares in 8 ways, for example, as 35188624 + 27253387396 = 5932^2 + 165086^2 .
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3276902 + ... + 3285218.
It is an arithmetic number, because the mean of its divisors is an integer number (1235410155).
Almost surely, 227288576020 is an apocalyptic number.
27288576020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27288576020 is an abundant number, since it is smaller than the sum of its proper divisors (32011111420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27288576020 is a wasteful number, since it uses less digits than its factorization.
27288576020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14012 (or 14010 counting only the distinct ones).
The product of its (nonzero) digits is 752640, while the sum is 47.
The spelling of 27288576020 in words is "twenty-seven billion, two hundred eighty-eight million, five hundred seventy-six thousand, twenty".
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