Base | Representation |
---|---|
bin | 111111001010000… |
… | …1001010000100010 |
3 | 12110200200000121221 |
4 | 1332110021100202 |
5 | 13320004210033 |
6 | 550142005254 |
7 | 103341662602 |
oct | 17624112042 |
9 | 5420600557 |
10 | 2119210018 |
11 | 998269942 |
12 | 4b187682a |
13 | 27a085833 |
14 | 16164ac02 |
15 | c60ae12d |
hex | 7e509422 |
2119210018 has 16 divisors (see below), whose sum is σ = 3321602496. Its totient is φ = 1012136400.
The previous prime is 2119210001. The next prime is 2119210019. The reversal of 2119210018 is 8100129112.
It is a super-2 number, since 2×21192100182 = 8982102200783120648, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2119209974 and 2119210001.
It is not an unprimeable number, because it can be changed into a prime (2119210019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293 + ... + 65143.
It is an arithmetic number, because the mean of its divisors is an integer number (207600156).
Almost surely, 22119210018 is an apocalyptic number.
2119210018 is a deficient number, since it is larger than the sum of its proper divisors (1202392478).
2119210018 is a wasteful number, since it uses less digits than its factorization.
2119210018 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63609.
The product of its (nonzero) digits is 288, while the sum is 25.
The square root of 2119210018 is about 46034.8782772367. The cubic root of 2119210018 is about 1284.4720724977.
The spelling of 2119210018 in words is "two billion, one hundred nineteen million, two hundred ten thousand, eighteen".
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