Base | Representation |
---|---|
bin | 111110101111110… |
… | …0000101000010001 |
3 | 12102201201000110102 |
4 | 1331133200220101 |
5 | 13302441141423 |
6 | 544530142145 |
7 | 103113464510 |
oct | 17537405021 |
9 | 5381630412 |
10 | 2105412113 |
11 | 9904a5312 |
12 | 4a9121955 |
13 | 2772643ac |
14 | 15d898677 |
15 | c4c85c28 |
hex | 7d7e0a11 |
2105412113 has 8 divisors (see below), whose sum is σ = 2435176128. Its totient is φ = 1782895824.
The previous prime is 2105412079. The next prime is 2105412119. The reversal of 2105412113 is 3112145012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2105412113 - 214 = 2105395729 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2105412119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1811306 + ... + 1812467.
It is an arithmetic number, because the mean of its divisors is an integer number (304397016).
Almost surely, 22105412113 is an apocalyptic number.
It is an amenable number.
2105412113 is a deficient number, since it is larger than the sum of its proper divisors (329764015).
2105412113 is an equidigital number, since it uses as much as digits as its factorization.
2105412113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3623863.
The product of its (nonzero) digits is 240, while the sum is 20.
The square root of 2105412113 is about 45884.7699460289. The cubic root of 2105412113 is about 1281.6783227308.
Adding to 2105412113 its reverse (3112145012), we get a palindrome (5217557125).
The spelling of 2105412113 in words is "two billion, one hundred five million, four hundred twelve thousand, one hundred thirteen".
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