Base | Representation |
---|---|
bin | 111111110100011… |
… | …0100000000010101 |
3 | 12112020102122200220 |
4 | 1333220310000111 |
5 | 13341144431310 |
6 | 552253424553 |
7 | 104031433602 |
oct | 17750640025 |
9 | 5466378626 |
10 | 2141405205 |
11 | 9a9849475 |
12 | 4b919b159 |
13 | 281857194 |
14 | 1645876a9 |
15 | c7ee5670 |
hex | 7fa34015 |
2141405205 has 16 divisors (see below), whose sum is σ = 3469620480. Its totient is φ = 1127625408.
The previous prime is 2141405159. The next prime is 2141405219. The reversal of 2141405205 is 5025041412.
It is not a de Polignac number, because 2141405205 - 29 = 2141404693 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902362 + ... + 904731.
It is an arithmetic number, because the mean of its divisors is an integer number (216851280).
Almost surely, 22141405205 is an apocalyptic number.
It is an amenable number.
2141405205 is a deficient number, since it is larger than the sum of its proper divisors (1328215275).
2141405205 is a wasteful number, since it uses less digits than its factorization.
2141405205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1807180.
The product of its (nonzero) digits is 1600, while the sum is 24.
The square root of 2141405205 is about 46275.3196099173. The cubic root of 2141405205 is about 1288.9407415296.
Adding to 2141405205 its reverse (5025041412), we get a palindrome (7166446617).
The spelling of 2141405205 in words is "two billion, one hundred forty-one million, four hundred five thousand, two hundred five".
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