Base | Representation |
---|---|
bin | 10101011010001111… |
… | …011010010100100000 |
3 | 2012100010112100120212 |
4 | 111122033122110200 |
5 | 334040114412023 |
6 | 14321054153252 |
7 | 1442453540000 |
oct | 253217322440 |
9 | 65303470525 |
10 | 22988825888 |
11 | 9827658166 |
12 | 4556ab2828 |
13 | 2224979072 |
14 | 1181220000 |
15 | 8e8353e78 |
hex | 55a3da520 |
22988825888 has 90 divisors (see below), whose sum is σ = 52896019491. Its totient is φ = 9834342336.
The previous prime is 22988825863. The next prime is 22988825891. The reversal of 22988825888 is 88852888922.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 11494412944 + 11494412944 = 107212^2 + 107212^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=107212.
It is a super-2 number, since 2×229888258882 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 42026831 + ... + 42027377.
Almost surely, 222988825888 is an apocalyptic number.
22988825888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22988825888
22988825888 is an abundant number, since it is smaller than the sum of its proper divisors (29907193603).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22988825888 is an frugal number, since it uses more digits than its factorization.
22988825888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1132 (or 556 counting only the distinct ones).
The product of its digits is 94371840, while the sum is 68.
The spelling of 22988825888 in words is "twenty-two billion, nine hundred eighty-eight million, eight hundred twenty-five thousand, eight hundred eighty-eight".
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