Base | Representation |
---|---|
bin | 111111010000010… |
… | …1100100010000000 |
3 | 12110220212011221102 |
4 | 1332200230202000 |
5 | 13321330001344 |
6 | 550340313532 |
7 | 103411645205 |
oct | 17640544200 |
9 | 5426764842 |
10 | 2122500224 |
11 | 99a106919 |
12 | 4b29a28a8 |
13 | 27a9682c0 |
14 | 161c65cac |
15 | c650de4e |
hex | 7e82c880 |
2122500224 has 32 divisors (see below), whose sum is σ = 4553684940. Its totient is φ = 979614720.
The previous prime is 2122500221. The next prime is 2122500239. The reversal of 2122500224 is 4220052212.
It can be written as a sum of positive squares in 2 ways, for example, as 2061160000 + 61340224 = 45400^2 + 7832^2 .
It is a tau number, because it is divible by the number of its divisors (32).
It is a junction number, because it is equal to n+sod(n) for n = 2122500196 and 2122500205.
It is not an unprimeable number, because it can be changed into a prime (2122500221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636107 + ... + 639434.
Almost surely, 22122500224 is an apocalyptic number.
It is an amenable number.
2122500224 is an abundant number, since it is smaller than the sum of its proper divisors (2431184716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2122500224 is a wasteful number, since it uses less digits than its factorization.
2122500224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1275568 (or 1275556 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 20.
The square root of 2122500224 is about 46070.6004302093. The cubic root of 2122500224 is about 1285.1364698334.
Adding to 2122500224 its reverse (4220052212), we get a palindrome (6342552436).
The spelling of 2122500224 in words is "two billion, one hundred twenty-two million, five hundred thousand, two hundred twenty-four".
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