Base | Representation |
---|---|
bin | 100101010010000010… |
… | …010001010001010001 |
3 | 10211022211110010221200 |
4 | 211102002101101101 |
5 | 1123440421014101 |
6 | 30220123541413 |
7 | 2615002106163 |
oct | 452202212121 |
9 | 124284403850 |
10 | 40031032401 |
11 | 15a82524158 |
12 | 791238a869 |
13 | 3a0c629429 |
14 | 1d1a768933 |
15 | 10945b6986 |
hex | 952091451 |
40031032401 has 12 divisors (see below), whose sum is σ = 57826516020. Its totient is φ = 26685548640.
The previous prime is 40031032399. The next prime is 40031032439. The reversal of 40031032401 is 10423013004.
It can be written as a sum of positive squares in 2 ways, for example, as 15375752001 + 24655280400 = 123999^2 + 157020^2 .
It is not a de Polignac number, because 40031032401 - 21 = 40031032399 is a prime.
It is not an unprimeable number, because it can be changed into a prime (40031032451) 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, 2506 + ... + 282963.
It is an arithmetic number, because the mean of its divisors is an integer number (4818876335).
Almost surely, 240031032401 is an apocalyptic number.
It is an amenable number.
40031032401 is a deficient number, since it is larger than the sum of its proper divisors (17795483619).
40031032401 is a wasteful number, since it uses less digits than its factorization.
40031032401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 301056 (or 301053 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 40031032401 its reverse (10423013004), we get a palindrome (50454045405).
The spelling of 40031032401 in words is "forty billion, thirty-one million, thirty-two thousand, four hundred one".
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