Base | Representation |
---|---|
bin | 1111010110100001… |
… | …1100101011001011 |
3 | 101122012102120020021 |
4 | 3311220130223023 |
5 | 31414440134011 |
6 | 1520531441311 |
7 | 204060046603 |
oct | 36550345313 |
9 | 11565376207 |
10 | 4121021131 |
11 | 1825233197 |
12 | 970156237 |
13 | 508a15356 |
14 | 2b1457c03 |
15 | 191bcd471 |
hex | f5a1cacb |
4121021131 has 12 divisors (see below), whose sum is σ = 4401766152. Its totient is φ = 3857059584.
The previous prime is 4121021129. The next prime is 4121021141. The reversal of 4121021131 is 1311201214.
4121021131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 4121021131 - 21 = 4121021129 is a prime.
It is a super-2 number, since 2×41210211312 = 33965630324297038322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4121021101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38806 + ... + 98731.
It is an arithmetic number, because the mean of its divisors is an integer number (366813846).
Almost surely, 24121021131 is an apocalyptic number.
4121021131 is a deficient number, since it is larger than the sum of its proper divisors (280745021).
4121021131 is a wasteful number, since it uses less digits than its factorization.
4121021131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137658 (or 137639 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 4121021131 is about 64195.1799670349. The cubic root of 4121021131 is about 1603.2513482494.
Adding to 4121021131 its reverse (1311201214), we get a palindrome (5432222345).
The spelling of 4121021131 in words is "four billion, one hundred twenty-one million, twenty-one thousand, one hundred thirty-one".
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