Base | Representation |
---|---|
bin | 1010011000110100… |
… | …1100110010100000 |
3 | 21012100000100212010 |
4 | 2212031030302200 |
5 | 21202322244422 |
6 | 1140410432520 |
7 | 126046446540 |
oct | 24615146240 |
9 | 7170010763 |
10 | 2788478112 |
11 | 1201028972 |
12 | 659a32740 |
13 | 355924a64 |
14 | 1c64a5320 |
15 | 114c10b0c |
hex | a634cca0 |
2788478112 has 96 divisors (see below), whose sum is σ = 8442403200. Its totient is φ = 789378048.
The previous prime is 2788478083. The next prime is 2788478123. The reversal of 2788478112 is 2118748872.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×27884781122 = 15551220362206169088, which contains 22 as substring.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a nude number because it is divisible by every one of its digits.
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, 54214 + ... + 92282.
It is an arithmetic number, because the mean of its divisors is an integer number (87941700).
Almost surely, 22788478112 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2788478112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4221201600).
2788478112 is an abundant number, since it is smaller than the sum of its proper divisors (5653925088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2788478112 is a wasteful number, since it uses less digits than its factorization.
2788478112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38198 (or 38190 counting only the distinct ones).
The product of its digits is 401408, while the sum is 48.
The square root of 2788478112 is about 52806.0423815305. The cubic root of 2788478112 is about 1407.5237983708.
The spelling of 2788478112 in words is "two billion, seven hundred eighty-eight million, four hundred seventy-eight thousand, one hundred twelve".
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