Base | Representation |
---|---|
bin | 1101011111011011… |
… | …11000101110010000 |
3 | 200200202222222100100 |
4 | 12233231320232100 |
5 | 104313202241122 |
6 | 3154414452400 |
7 | 344326363026 |
oct | 65755705620 |
9 | 20622888310 |
10 | 7243008912 |
11 | 3087542887 |
12 | 14a1804100 |
13 | 8b576b4b9 |
14 | 4c9d36716 |
15 | 2c5d1baac |
hex | 1afb78b90 |
7243008912 has 120 divisors (see below), whose sum is σ = 21156291000. Its totient is φ = 2310303744.
The previous prime is 7243008901. The next prime is 7243008953. The reversal of 7243008912 is 2198003427.
It can be written as a sum of positive squares in 4 ways, for example, as 318096 + 7242690816 = 564^2 + 85104^2 .
It is a super-2 number, since 2×72430089122 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 464214 + ... + 479562.
It is an arithmetic number, because the mean of its divisors is an integer number (176302425).
Almost surely, 27243008912 is an apocalyptic number.
7243008912 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7243008912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10578145500).
7243008912 is an abundant number, since it is smaller than the sum of its proper divisors (13913282088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7243008912 is a wasteful number, since it uses less digits than its factorization.
7243008912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15505 (or 15496 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 7243008912 is about 85105.8688458087. The cubic root of 7243008912 is about 1934.8160135944.
The spelling of 7243008912 in words is "seven billion, two hundred forty-three million, eight thousand, nine hundred twelve".
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