Base | Representation |
---|---|
bin | 111111110100010… |
… | …0101111111100100 |
3 | 12112020022201222020 |
4 | 1333220211333210 |
5 | 13341141112222 |
6 | 552252303140 |
7 | 104031104352 |
oct | 17750457744 |
9 | 5466281866 |
10 | 2141347812 |
11 | 9a980a33a |
12 | 4b9171ab0 |
13 | 281837016 |
14 | 1645707d2 |
15 | c7ed365c |
hex | 7fa25fe4 |
2141347812 has 72 divisors (see below), whose sum is σ = 5347605984. Its totient is φ = 666743808.
The previous prime is 2141347811. The next prime is 2141347883. The reversal of 2141347812 is 2187431412.
It is not an unprimeable number, because it can be changed into a prime (2141347811) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 472863 + ... + 477369.
Almost surely, 22141347812 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 2141347812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2673802992).
2141347812 is an abundant number, since it is smaller than the sum of its proper divisors (3206258172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2141347812 is a wasteful number, since it uses less digits than its factorization.
2141347812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4685 (or 4666 counting only the distinct ones).
The product of its digits is 10752, while the sum is 33.
The square root of 2141347812 is about 46274.6994803856. The cubic root of 2141347812 is about 1288.9292262192.
The spelling of 2141347812 in words is "two billion, one hundred forty-one million, three hundred forty-seven thousand, eight hundred twelve".
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