Base | Representation |
---|---|
bin | 1101011011110010… |
… | …00011110010010100 |
3 | 200121122101001000101 |
4 | 12231321003302110 |
5 | 104232332232010 |
6 | 3151402223444 |
7 | 343505150536 |
oct | 65571036224 |
9 | 20548331011 |
10 | 7212383380 |
11 | 3071225424 |
12 | 14934b4b84 |
13 | 8ac307897 |
14 | 4c5c43856 |
15 | 2c32bc73a |
hex | 1ade43c94 |
7212383380 has 12 divisors (see below), whose sum is σ = 15146005140. Its totient is φ = 2884953344.
The previous prime is 7212383377. The next prime is 7212383383. The reversal of 7212383380 is 833832127.
It is an interprime number because it is at equal distance from previous prime (7212383377) and next prime (7212383383).
It can be written as a sum of positive squares in 2 ways, for example, as 3064508164 + 4147875216 = 55358^2 + 64404^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7212383383) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180309565 + ... + 180309604.
It is an arithmetic number, because the mean of its divisors is an integer number (1262167095).
Almost surely, 27212383380 is an apocalyptic number.
It is an amenable number.
7212383380 is an abundant number, since it is smaller than the sum of its proper divisors (7933621760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7212383380 is a wasteful number, since it uses less digits than its factorization.
7212383380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 360619178 (or 360619176 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 37.
The square root of 7212383380 is about 84925.7521603430. The cubic root of 7212383380 is about 1932.0851742145.
The spelling of 7212383380 in words is "seven billion, two hundred twelve million, three hundred eighty-three thousand, three hundred eighty".
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