Base | Representation |
---|---|
bin | 1000010001000111… |
… | …1001011010101011 |
3 | 12201122222022111212 |
4 | 2010101321122223 |
5 | 14021114043024 |
6 | 1004114543335 |
7 | 105665414102 |
oct | 20421713253 |
9 | 5648868455 |
10 | 2219284139 |
11 | a39801026 |
12 | 51b297b4b |
13 | 294a23ca7 |
14 | 170a5b039 |
15 | cec7aa0e |
hex | 844796ab |
2219284139 has 4 divisors (see below), whose sum is σ = 2219844480. Its totient is φ = 2218723800.
The previous prime is 2219284103. The next prime is 2219284183. The reversal of 2219284139 is 9314829122.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2219284139 - 212 = 2219280043 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2219284096 and 2219284105.
It is not an unprimeable number, because it can be changed into a prime (2219284339) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274187 + ... + 282164.
It is an arithmetic number, because the mean of its divisors is an integer number (554961120).
Almost surely, 22219284139 is an apocalyptic number.
2219284139 is a deficient number, since it is larger than the sum of its proper divisors (560341).
2219284139 is an equidigital number, since it uses as much as digits as its factorization.
2219284139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 560340.
The product of its digits is 62208, while the sum is 41.
The square root of 2219284139 is about 47109.2786932681. The cubic root of 2219284139 is about 1304.3805163983.
The spelling of 2219284139 in words is "two billion, two hundred nineteen million, two hundred eighty-four thousand, one hundred thirty-nine".
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