Base | Representation |
---|---|
bin | 101010100111110… |
… | …1111000010011101 |
3 | 10200200011002100221 |
4 | 1111033233002131 |
5 | 10412112010224 |
6 | 353525521341 |
7 | 50304253603 |
oct | 12517570235 |
9 | 3620132327 |
10 | 1430188189 |
11 | 674338611 |
12 | 33ab73251 |
13 | 19a3bb301 |
14 | d7d2d873 |
15 | 858596e4 |
hex | 553ef09d |
1430188189 has 16 divisors (see below), whose sum is σ = 1539336960. Its totient is φ = 1323965440.
The previous prime is 1430188171. The next prime is 1430188217. The reversal of 1430188189 is 9818810341.
It is a happy number.
It is not a de Polignac number, because 1430188189 - 27 = 1430188061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1430188129) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335109 + ... + 339349.
It is an arithmetic number, because the mean of its divisors is an integer number (96208560).
Almost surely, 21430188189 is an apocalyptic number.
It is an amenable number.
1430188189 is a deficient number, since it is larger than the sum of its proper divisors (109148771).
1430188189 is a wasteful number, since it uses less digits than its factorization.
1430188189 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4580.
The product of its (nonzero) digits is 55296, while the sum is 43.
The square root of 1430188189 is about 37817.8289831661. The cubic root of 1430188189 is about 1126.6725906325.
The spelling of 1430188189 in words is "one billion, four hundred thirty million, one hundred eighty-eight thousand, one hundred eighty-nine".
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