Base | Representation |
---|---|
bin | 10101100001100010… |
… | …010110101101001010 |
3 | 2012122122212020122210 |
4 | 111201202112231022 |
5 | 334312433413310 |
6 | 14341145525550 |
7 | 1445501143044 |
oct | 254142265512 |
9 | 65578766583 |
10 | 23111232330 |
11 | 988a762a0a |
12 | 458baa38b6 |
13 | 2244136404 |
14 | 11935a4a94 |
15 | 903e82820 |
hex | 561896b4a |
23111232330 has 32 divisors (see below), whose sum is σ = 55484569728. Its totient is φ = 6161038400.
The previous prime is 23111232323. The next prime is 23111232379. The reversal of 23111232330 is 3323211132.
It is a super-2 number, since 2×231112323302 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23111232297 and 23111232306.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24981 + ... + 216440.
It is an arithmetic number, because the mean of its divisors is an integer number (1733892804).
Almost surely, 223111232330 is an apocalyptic number.
23111232330 is an abundant number, since it is smaller than the sum of its proper divisors (32373337398).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23111232330 is a wasteful number, since it uses less digits than its factorization.
23111232330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244622.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 23111232330 its reverse (3323211132), we get a palindrome (26434443462).
The spelling of 23111232330 in words is "twenty-three billion, one hundred eleven million, two hundred thirty-two thousand, three hundred thirty".
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