Base | Representation |
---|---|
bin | 1101010011110010… |
… | …00110100011000000 |
3 | 200102222010010110201 |
4 | 12221321012203000 |
5 | 104113143121244 |
6 | 3141004134544 |
7 | 342031633045 |
oct | 65171064300 |
9 | 20388103421 |
10 | 7145285824 |
11 | 3037366aa6 |
12 | 1474b37454 |
13 | 89b4441a1 |
14 | 4bad791cc |
15 | 2bc466ad4 |
hex | 1a9e468c0 |
7145285824 has 56 divisors (see below), whose sum is σ = 14709038400. Its totient is φ = 3441285120.
The previous prime is 7145285803. The next prime is 7145285831. The reversal of 7145285824 is 4285825417.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190062 + ... + 224530.
It is an arithmetic number, because the mean of its divisors is an integer number (262661400).
Almost surely, 27145285824 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 7145285824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7354519200).
7145285824 is an abundant number, since it is smaller than the sum of its proper divisors (7563752576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7145285824 is a wasteful number, since it uses less digits than its factorization.
7145285824 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34601 (or 34591 counting only the distinct ones).
The product of its digits is 716800, while the sum is 46.
The square root of 7145285824 is about 84529.7925231099. The cubic root of 7145285824 is about 1926.0750344495.
The spelling of 7145285824 in words is "seven billion, one hundred forty-five million, two hundred eighty-five thousand, eight hundred twenty-four".
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