Base | Representation |
---|---|
bin | 111110100111100… |
… | …0110110011000111 |
3 | 12102102121112211020 |
4 | 1331033012303013 |
5 | 13300341041012 |
6 | 544254042223 |
7 | 103032104661 |
oct | 17517066307 |
9 | 5372545736 |
10 | 2101112007 |
11 | 989028605 |
12 | 4a77a9373 |
13 | 2763ba057 |
14 | 15d099531 |
15 | c46d6a8c |
hex | 7d3c6cc7 |
2101112007 has 8 divisors (see below), whose sum is σ = 2877198576. Its totient is φ = 1362883392.
The previous prime is 2101111993. The next prime is 2101112023. The reversal of 2101112007 is 7002111012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2101112007 - 27 = 2101111879 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101111007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9464358 + ... + 9464579.
It is an arithmetic number, because the mean of its divisors is an integer number (359649822).
Almost surely, 22101112007 is an apocalyptic number.
2101112007 is a deficient number, since it is larger than the sum of its proper divisors (776086569).
2101112007 is a wasteful number, since it uses less digits than its factorization.
2101112007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18928977.
The product of its (nonzero) digits is 28, while the sum is 15.
The square root of 2101112007 is about 45837.8883348699. Note that the first 3 decimals coincide. The cubic root of 2101112007 is about 1280.8051589110.
Adding to 2101112007 its reverse (7002111012), we get a palindrome (9103223019).
The spelling of 2101112007 in words is "two billion, one hundred one million, one hundred twelve thousand, seven".
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