Base | Representation |
---|---|
bin | 10101100111011111… |
… | …011010000101010110 |
3 | 2012220121211012221100 |
4 | 111213133122011112 |
5 | 340014021414110 |
6 | 14355114530530 |
7 | 1451123201424 |
oct | 254737320526 |
9 | 65817735840 |
10 | 23211123030 |
11 | 993108a307 |
12 | 45b9436a46 |
13 | 225ba3c234 |
14 | 11a2968114 |
15 | 90cb14bc0 |
hex | 5677da156 |
23211123030 has 48 divisors (see below), whose sum is σ = 60415377984. Its totient is φ = 6182816640.
The previous prime is 23211123017. The next prime is 23211123041. The reversal of 23211123030 is 3032111232.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 23211122994 and 23211123012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59559 + ... + 223538.
It is an arithmetic number, because the mean of its divisors is an integer number (1258653708).
Almost surely, 223211123030 is an apocalyptic number.
23211123030 is an abundant number, since it is smaller than the sum of its proper divisors (37204254954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23211123030 is a wasteful number, since it uses less digits than its factorization.
23211123030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 284021 (or 284018 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 23211123030 its reverse (3032111232), we get a palindrome (26243234262).
The spelling of 23211123030 in words is "twenty-three billion, two hundred eleven million, one hundred twenty-three thousand, thirty".
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