Base | Representation |
---|---|
bin | 1000000101101000… |
… | …0111001101100011 |
3 | 12121022022121201210 |
4 | 2001122013031203 |
5 | 13421300344042 |
6 | 555234201203 |
7 | 104542045350 |
oct | 20132071543 |
9 | 5538277653 |
10 | 2171106147 |
11 | a14595201 |
12 | 507123203 |
13 | 287a55cc2 |
14 | 1684b9627 |
15 | ca910a9c |
hex | 81687363 |
2171106147 has 8 divisors (see below), whose sum is σ = 3308352256. Its totient is φ = 1240632072.
The previous prime is 2171106143. The next prime is 2171106167. The reversal of 2171106147 is 7416011712.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2171106147 - 22 = 2171106143 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2171106143) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51692983 + ... + 51693024.
It is an arithmetic number, because the mean of its divisors is an integer number (413544032).
Almost surely, 22171106147 is an apocalyptic number.
2171106147 is a deficient number, since it is larger than the sum of its proper divisors (1137246109).
2171106147 is a wasteful number, since it uses less digits than its factorization.
2171106147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103386017.
The product of its (nonzero) digits is 2352, while the sum is 30.
The square root of 2171106147 is about 46595.1300781530. The cubic root of 2171106147 is about 1294.8725339774.
Adding to 2171106147 its reverse (7416011712), we get a palindrome (9587117859).
The spelling of 2171106147 in words is "two billion, one hundred seventy-one million, one hundred six thousand, one hundred forty-seven".
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