Base | Representation |
---|---|
bin | 111111100011010… |
… | …1001001010010001 |
3 | 12111121120120120110 |
4 | 1333012221022101 |
5 | 13331401313024 |
6 | 551333431533 |
7 | 103562336145 |
oct | 17706511221 |
9 | 5447516513 |
10 | 2132447889 |
11 | 9a4790730 |
12 | 4b619b5a9 |
13 | 27ca3c0b0 |
14 | 1632d5225 |
15 | c7326629 |
hex | 7f1a9291 |
2132447889 has 32 divisors (see below), whose sum is σ = 3343536000. Its totient is φ = 1191836160.
The previous prime is 2132447879. The next prime is 2132447939. The reversal of 2132447889 is 9887442312.
It is not a de Polignac number, because 2132447889 - 211 = 2132445841 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2132447839) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 662917 + ... + 666125.
It is an arithmetic number, because the mean of its divisors is an integer number (104485500).
Almost surely, 22132447889 is an apocalyptic number.
It is an amenable number.
2132447889 is a deficient number, since it is larger than the sum of its proper divisors (1211088111).
2132447889 is a wasteful number, since it uses less digits than its factorization.
2132447889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4785.
The product of its digits is 774144, while the sum is 48.
The square root of 2132447889 is about 46178.4353242940. The cubic root of 2132447889 is about 1287.1410533479.
The spelling of 2132447889 in words is "two billion, one hundred thirty-two million, four hundred forty-seven thousand, eight hundred eighty-nine".
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