Base | Representation |
---|---|
bin | 101100111010100111… |
… | …101001100111110001 |
3 | 11121111002200222110000 |
4 | 230322213221213301 |
5 | 1242232344103011 |
6 | 34053343500213 |
7 | 3325065124044 |
oct | 547247514761 |
9 | 147432628400 |
10 | 48228112881 |
11 | 194a9570033 |
12 | 941b5b7669 |
13 | 4717943a00 |
14 | 2497294c5b |
15 | 13c4041356 |
hex | b3a9e99f1 |
48228112881 has 45 divisors (see below), whose sum is σ = 78054230001. Its totient is φ = 29663026848.
The previous prime is 48228112847. The next prime is 48228112909. The reversal of 48228112881 is 18821182284.
The square root of 48228112881 is 219609.
It is a perfect power (a square), and thus also a powerful number.
48228112881 is a `hidden beast` number, since 482 + 2 + 81 + 12 + 8 + 81 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 3267151281 + 44960961600 = 57159^2 + 212040^2 .
It is not a de Polignac number, because 48228112881 - 29 = 48228112369 is a prime.
It is a super-2 number, since 2×482281128812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (48228112811) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 25693315 + ... + 25695191.
Almost surely, 248228112881 is an apocalyptic number.
48228112881 is the 219609-th square number.
48228112881 is the 109805-th centered octagonal number.
It is an amenable number.
48228112881 is a deficient number, since it is larger than the sum of its proper divisors (29826117120).
48228112881 is an frugal number, since it uses more digits than its factorization.
48228112881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3792 (or 1893 counting only the distinct ones).
The product of its digits is 131072, while the sum is 45.
The spelling of 48228112881 in words is "forty-eight billion, two hundred twenty-eight million, one hundred twelve thousand, eight hundred eighty-one".
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