Base | Representation |
---|---|
bin | 111111010000001… |
… | …1110101011111000 |
3 | 12110220202022010222 |
4 | 1332200132223320 |
5 | 13321321143022 |
6 | 550335155212 |
7 | 103411320650 |
oct | 17640365370 |
9 | 5426668128 |
10 | 2122443512 |
11 | 99a078252 |
12 | 4b2975b08 |
13 | 27a948547 |
14 | 161c4d360 |
15 | c64ec242 |
hex | 7e81eaf8 |
2122443512 has 32 divisors (see below), whose sum is σ = 4633912800. Its totient is φ = 892454784.
The previous prime is 2122443509. The next prime is 2122443559. The reversal of 2122443512 is 2153442212.
It is a super-3 number, since 3×21224435123 (a number of 29 digits) contains 333 as substring.
It is a congruent number.
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, 354587 + ... + 360522.
It is an arithmetic number, because the mean of its divisors is an integer number (144809775).
Almost surely, 22122443512 is an apocalyptic number.
It is an amenable number.
2122443512 is an abundant number, since it is smaller than the sum of its proper divisors (2511469288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122443512 is a wasteful number, since it uses less digits than its factorization.
2122443512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 715175 (or 715171 counting only the distinct ones).
The product of its digits is 3840, while the sum is 26.
The square root of 2122443512 is about 46069.9849359645. The cubic root of 2122443512 is about 1285.1250236927.
Adding to 2122443512 its reverse (2153442212), we get a palindrome (4275885724).
The spelling of 2122443512 in words is "two billion, one hundred twenty-two million, four hundred forty-three thousand, five hundred twelve".
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