Base | Representation |
---|---|
bin | 101011110000011… |
… | …0101011011111110 |
3 | 10210022201120110000 |
4 | 1113200311123332 |
5 | 11001331202103 |
6 | 401405055130 |
7 | 51245465112 |
oct | 12740653376 |
9 | 3708646400 |
10 | 1468225278 |
11 | 693858423 |
12 | 34b8574a6 |
13 | 1a5248570 |
14 | dcdd1742 |
15 | 88d6eaa3 |
hex | 578356fe |
1468225278 has 80 divisors (see below), whose sum is σ = 3559026240. Its totient is φ = 449717184.
The previous prime is 1468225273. The next prime is 1468225303. The reversal of 1468225278 is 8725228641.
1468225278 is a `hidden beast` number, since 1 + 46 + 82 + 2 + 527 + 8 = 666.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1468225273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 501876 + ... + 504792.
It is an arithmetic number, because the mean of its divisors is an integer number (44487828).
Almost surely, 21468225278 is an apocalyptic number.
1468225278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1468225278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1779513120).
1468225278 is an abundant number, since it is smaller than the sum of its proper divisors (2090800962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1468225278 is a wasteful number, since it uses less digits than its factorization.
1468225278 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3183 (or 3174 counting only the distinct ones).
The product of its digits is 430080, while the sum is 45.
The square root of 1468225278 is about 38317.4278625275. The cubic root of 1468225278 is about 1136.5736038718.
It can be divided in two parts, 146822 and 5278, that added together give a square (152100 = 3902).
The spelling of 1468225278 in words is "one billion, four hundred sixty-eight million, two hundred twenty-five thousand, two hundred seventy-eight".
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