Base | Representation |
---|---|
bin | 111000000101010… |
… | …0101111100011000 |
3 | 11212010222121200000 |
4 | 1300022211330120 |
5 | 12323221400143 |
6 | 510422013000 |
7 | 64430151255 |
oct | 16012457430 |
9 | 4763877600 |
10 | 1881825048 |
11 | 886272014 |
12 | 446277160 |
13 | 23cb3c05c |
14 | 13bcd642c |
15 | b031cbd3 |
hex | 702a5f18 |
1881825048 has 48 divisors (see below), whose sum is σ = 5285378280. Its totient is φ = 627274368.
The previous prime is 1881825041. The next prime is 1881825059. The reversal of 1881825048 is 8405281881.
It is a super-2 number, since 2×18818250482 = 7082531022560404608, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1881824994 and 1881825012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1881825041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 482065 + ... + 485952.
Almost surely, 21881825048 is an apocalyptic number.
1881825048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1881825048 is an abundant number, since it is smaller than the sum of its proper divisors (3403553232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1881825048 is an equidigital number, since it uses as much as digits as its factorization.
1881825048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 968038 (or 968022 counting only the distinct ones).
The product of its (nonzero) digits is 163840, while the sum is 45.
The square root of 1881825048 is about 43380.0074688790. The cubic root of 1881825048 is about 1234.6004046316.
The spelling of 1881825048 in words is "one billion, eight hundred eighty-one million, eight hundred twenty-five thousand, forty-eight".
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