Base | Representation |
---|---|
bin | 111110111010100… |
… | …1110011111101101 |
3 | 12110010102020122021 |
4 | 1331311032133231 |
5 | 13310420330010 |
6 | 545252150141 |
7 | 103213045042 |
oct | 17565163755 |
9 | 5403366567 |
10 | 2111105005 |
11 | 993733489 |
12 | 4ab008351 |
13 | 2784a8679 |
14 | 16053b1c9 |
15 | c550c8da |
hex | 7dd4e7ed |
2111105005 has 8 divisors (see below), whose sum is σ = 2542279392. Its totient is φ = 1682915088.
The previous prime is 2111104937. The next prime is 2111105011. The reversal of 2111105005 is 5005011112.
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 2111105005 - 29 = 2111104493 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2111105005.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744559 + ... + 747388.
It is an arithmetic number, because the mean of its divisors is an integer number (317784924).
Almost surely, 22111105005 is an apocalyptic number.
It is an amenable number.
2111105005 is a deficient number, since it is larger than the sum of its proper divisors (431174387).
2111105005 is a wasteful number, since it uses less digits than its factorization.
2111105005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1492235.
The product of its (nonzero) digits is 50, while the sum is 16.
The square root of 2111105005 is about 45946.7627260072. The cubic root of 2111105005 is about 1282.8324736152.
Adding to 2111105005 its reverse (5005011112), we get a palindrome (7116116117).
The spelling of 2111105005 in words is "two billion, one hundred eleven million, one hundred five thousand, five".
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