Base | Representation |
---|---|
bin | 111110101111100… |
… | …1000100001011100 |
3 | 12102201112000000100 |
4 | 1331133020201130 |
5 | 13302430011442 |
6 | 544524101100 |
7 | 103112603601 |
oct | 17537104134 |
9 | 5381460010 |
10 | 2105313372 |
11 | 990438108 |
12 | 4a9094790 |
13 | 27722b476 |
14 | 15d8706a8 |
15 | c4c6684c |
hex | 7d7c885c |
2105313372 has 36 divisors (see below), whose sum is σ = 5553147600. Its totient is φ = 671259072.
The previous prime is 2105313361. The next prime is 2105313391. The reversal of 2105313372 is 2733135012.
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1270497 + ... + 1272152.
It is an arithmetic number, because the mean of its divisors is an integer number (154254100).
Almost surely, 22105313372 is an apocalyptic number.
It is an amenable number.
2105313372 is an abundant number, since it is smaller than the sum of its proper divisors (3447834228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2105313372 is a wasteful number, since it uses less digits than its factorization.
2105313372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2542682 (or 2542677 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 27.
The square root of 2105313372 is about 45883.6939663755. The cubic root of 2105313372 is about 1281.6582860870.
Adding to 2105313372 its reverse (2733135012), we get a palindrome (4838448384).
The spelling of 2105313372 in words is "two billion, one hundred five million, three hundred thirteen thousand, three hundred seventy-two".
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