Base | Representation |
---|---|
bin | 10101111111011010… |
… | …010101011000100000 |
3 | 2020221120222112212221 |
4 | 111333122111120200 |
5 | 341324241234430 |
6 | 14503012400424 |
7 | 1464065324065 |
oct | 257732253040 |
9 | 66846875787 |
10 | 23612446240 |
11 | a017679389 |
12 | 46ab916114 |
13 | 22c3c24ba6 |
14 | 11ddd94c6c |
15 | 932e8a57a |
hex | 57f695620 |
23612446240 has 24 divisors (see below), whose sum is σ = 55784404620. Its totient is φ = 9444978432.
The previous prime is 23612446229. The next prime is 23612446267. The reversal of 23612446240 is 4264421632.
It can be written as a sum of positive squares in 2 ways, for example, as 23520516496 + 91929744 = 153364^2 + 9588^2 .
It is a junction number, because it is equal to n+sod(n) for n = 23612446196 and 23612446205.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73788735 + ... + 73789054.
Almost surely, 223612446240 is an apocalyptic number.
23612446240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23612446240 is an abundant number, since it is smaller than the sum of its proper divisors (32171958380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23612446240 is a wasteful number, since it uses less digits than its factorization.
23612446240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147577804 (or 147577796 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 34.
Adding to 23612446240 its reverse (4264421632), we get a palindrome (27876867872).
The spelling of 23612446240 in words is "twenty-three billion, six hundred twelve million, four hundred forty-six thousand, two hundred forty".
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