Base | Representation |
---|---|
bin | 111110101111110… |
… | …0000101010001000 |
3 | 12102201201000121211 |
4 | 1331133200222020 |
5 | 13302441142412 |
6 | 544530142504 |
7 | 103113465040 |
oct | 17537405210 |
9 | 5381630554 |
10 | 2105412232 |
11 | 9904a5410 |
12 | 4a9121a34 |
13 | 277264471 |
14 | 15d898720 |
15 | c4c85ca7 |
hex | 7d7e0a88 |
2105412232 has 64 divisors (see below), whose sum is σ = 4943203200. Its totient is φ = 816714240.
The previous prime is 2105412229. The next prime is 2105412247. The reversal of 2105412232 is 2322145012.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
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, 136194 + ... + 150862.
It is an arithmetic number, because the mean of its divisors is an integer number (77237550).
Almost surely, 22105412232 is an apocalyptic number.
2105412232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2105412232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2471601600).
2105412232 is an abundant number, since it is smaller than the sum of its proper divisors (2837790968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105412232 is a wasteful number, since it uses less digits than its factorization.
2105412232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14926 (or 14922 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 2105412232 is about 45884.7712427555. The cubic root of 2105412232 is about 1281.6783468781.
Adding to 2105412232 its reverse (2322145012), we get a palindrome (4427557244).
The spelling of 2105412232 in words is "two billion, one hundred five million, four hundred twelve thousand, two hundred thirty-two".
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