Base | Representation |
---|---|
bin | 111110111010111… |
… | …1110010111110101 |
3 | 12110010210012122101 |
4 | 1331311332113311 |
5 | 13310443113414 |
6 | 545300302101 |
7 | 103214522551 |
oct | 17565762765 |
9 | 5403705571 |
10 | 2111301109 |
11 | 993857855 |
12 | 4ab0a1931 |
13 | 2785469c8 |
14 | 16058c861 |
15 | c554aa74 |
hex | 7dd7e5f5 |
2111301109 has 32 divisors (see below), whose sum is σ = 2333237760. Its totient is φ = 1903564800.
The previous prime is 2111301091. The next prime is 2111301113. The reversal of 2111301109 is 9011031112.
It is a cyclic number.
It is not a de Polignac number, because 2111301109 - 225 = 2077746677 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2111304109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7790644 + ... + 7790914.
It is an arithmetic number, because the mean of its divisors is an integer number (72913680).
Almost surely, 22111301109 is an apocalyptic number.
It is an amenable number.
2111301109 is a deficient number, since it is larger than the sum of its proper divisors (221936651).
2111301109 is a wasteful number, since it uses less digits than its factorization.
2111301109 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 541.
The product of its (nonzero) digits is 54, while the sum is 19.
The square root of 2111301109 is about 45948.8967114554. The cubic root of 2111301109 is about 1282.8721938548.
2111301109 divided by its sum of digits (19) gives a palindrome (111121111).
The spelling of 2111301109 in words is "two billion, one hundred eleven million, three hundred one thousand, one hundred nine".
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