Base | Representation |
---|---|
bin | 10101001001110000… |
… | …000111000110100000 |
3 | 2011121211222112222020 |
4 | 111021300013012200 |
5 | 333003304411443 |
6 | 14233412541440 |
7 | 1432554250344 |
oct | 251160070640 |
9 | 64554875866 |
10 | 22712185248 |
11 | 96a5488a35 |
12 | 449a321880 |
13 | 21ac56978c |
14 | 11565ab624 |
15 | 8cde0b583 |
hex | 549c071a0 |
22712185248 has 96 divisors (see below), whose sum is σ = 61447921920. Its totient is φ = 7341511680.
The previous prime is 22712185189. The next prime is 22712185261. The reversal of 22712185248 is 84258121722.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468718 + ... + 514898.
It is an arithmetic number, because the mean of its divisors is an integer number (640082520).
Almost surely, 222712185248 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 22712185248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30723960960).
22712185248 is an abundant number, since it is smaller than the sum of its proper divisors (38735736672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22712185248 is a wasteful number, since it uses less digits than its factorization.
22712185248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46350 (or 46342 counting only the distinct ones).
The product of its digits is 143360, while the sum is 42.
The spelling of 22712185248 in words is "twenty-two billion, seven hundred twelve million, one hundred eighty-five thousand, two hundred forty-eight".
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