Base | Representation |
---|---|
bin | 10101100111011111… |
… | …010111001001110110 |
3 | 2012220121210121110220 |
4 | 111213133113021312 |
5 | 340014021023110 |
6 | 14355114355210 |
7 | 1451123121432 |
oct | 254737271166 |
9 | 65817717426 |
10 | 23211111030 |
11 | 9931081298 |
12 | 45b942bb06 |
13 | 225ba36933 |
14 | 11a29639c2 |
15 | 90cb11370 |
hex | 5677d7276 |
23211111030 has 32 divisors (see below), whose sum is σ = 55734705504. Its totient is φ = 6186514176.
The previous prime is 23211111013. The next prime is 23211111061. The reversal of 23211111030 is 3011111232.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
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, 133807 + ... + 253626.
It is an arithmetic number, because the mean of its divisors is an integer number (1741709547).
Almost surely, 223211111030 is an apocalyptic number.
23211111030 is an abundant number, since it is smaller than the sum of its proper divisors (32523594474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23211111030 is a wasteful number, since it uses less digits than its factorization.
23211111030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 389440.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 23211111030 its reverse (3011111232), we get a palindrome (26222222262).
The spelling of 23211111030 in words is "twenty-three billion, two hundred eleven million, one hundred eleven thousand, thirty".
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