Base | Representation |
---|---|
bin | 10101100001100010… |
… | …010110101000011001 |
3 | 2012122122212020020111 |
4 | 111201202112220121 |
5 | 334312433411100 |
6 | 14341145524321 |
7 | 1445501142130 |
oct | 254142265031 |
9 | 65578766214 |
10 | 23111232025 |
11 | 988a762762 |
12 | 458baa36a1 |
13 | 224413622b |
14 | 11935a4917 |
15 | 903e826ba |
hex | 561896a19 |
23111232025 has 48 divisors (see below), whose sum is σ = 34294305024. Its totient is φ = 15106164480.
The previous prime is 23111231999. The next prime is 23111232031. The reversal of 23111232025 is 52023211132.
It is not a de Polignac number, because 23111232025 - 213 = 23111223833 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 23111231987 and 23111232005.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1169527 + ... + 1189123.
It is an arithmetic number, because the mean of its divisors is an integer number (714464688).
Almost surely, 223111232025 is an apocalyptic number.
23111232025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
23111232025 is a deficient number, since it is larger than the sum of its proper divisors (11183072999).
23111232025 is a wasteful number, since it uses less digits than its factorization.
23111232025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19930 (or 19925 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 22.
Adding to 23111232025 its reverse (52023211132), we get a palindrome (75134443157).
The spelling of 23111232025 in words is "twenty-three billion, one hundred eleven million, two hundred thirty-two thousand, twenty-five".
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