Base | Representation |
---|---|
bin | 111111110100000… |
… | …1001101111101001 |
3 | 12112020002212020210 |
4 | 1333220021233221 |
5 | 13341123411410 |
6 | 552250011333 |
7 | 104030113125 |
oct | 17750115751 |
9 | 5466085223 |
10 | 2141232105 |
11 | 9a9740411 |
12 | 4b9116b49 |
13 | 2817c645c |
14 | 164540585 |
15 | c7eae220 |
hex | 7fa09be9 |
2141232105 has 16 divisors (see below), whose sum is σ = 3457992384. Its totient is φ = 1131316800.
The previous prime is 2141232089. The next prime is 2141232109. The reversal of 2141232105 is 5012321412.
It is not a de Polignac number, because 2141232105 - 24 = 2141232089 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2141232109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665446 + ... + 668655.
It is an arithmetic number, because the mean of its divisors is an integer number (216124524).
Almost surely, 22141232105 is an apocalyptic number.
It is an amenable number.
2141232105 is a deficient number, since it is larger than the sum of its proper divisors (1316760279).
2141232105 is a wasteful number, since it uses less digits than its factorization.
2141232105 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1334216.
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 2141232105 is about 46273.4492446803. The cubic root of 2141232105 is about 1288.9060101837.
Adding to 2141232105 its reverse (5012321412), we get a palindrome (7153553517).
The spelling of 2141232105 in words is "two billion, one hundred forty-one million, two hundred thirty-two thousand, one hundred five".
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