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4121021131 = 19283137537
BaseRepresentation
bin1111010110100001…
…1100101011001011
3101122012102120020021
43311220130223023
531414440134011
61520531441311
7204060046603
oct36550345313
911565376207
104121021131
111825233197
12970156237
13508a15356
142b1457c03
15191bcd471
hexf5a1cacb

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".

Divisors: 1 19 83 361 1577 29963 137537 2613203 11415571 49650857 216895849 4121021131