Base | Representation |
---|---|
bin | 100101010111110100… |
… | …100101001000011001 |
3 | 10211120121010001022102 |
4 | 211113310211020121 |
5 | 1124140243411113 |
6 | 30233512333145 |
7 | 2620261165460 |
oct | 452764451031 |
9 | 124517101272 |
10 | 40128107033 |
11 | 160222a7823 |
12 | 793a9a41b5 |
13 | 3a26787541 |
14 | 1d295d79d7 |
15 | 109cd8e758 |
hex | 957d25219 |
40128107033 has 4 divisors (see below), whose sum is σ = 45860693760. Its totient is φ = 34395520308.
The previous prime is 40128107009. The next prime is 40128107083. The reversal of 40128107033 is 33070182104.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 40128107033 - 210 = 40128106009 is a prime.
It is a super-2 number, since 2×401281070332 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 40128106987 and 40128107005.
It is not an unprimeable number, because it can be changed into a prime (40128107083) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2866293353 + ... + 2866293366.
It is an arithmetic number, because the mean of its divisors is an integer number (11465173440).
Almost surely, 240128107033 is an apocalyptic number.
It is an amenable number.
40128107033 is a deficient number, since it is larger than the sum of its proper divisors (5732586727).
40128107033 is an equidigital number, since it uses as much as digits as its factorization.
40128107033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5732586726.
The product of its (nonzero) digits is 4032, while the sum is 29.
Adding to 40128107033 its reverse (33070182104), we get a palindrome (73198289137).
The spelling of 40128107033 in words is "forty billion, one hundred twenty-eight million, one hundred seven thousand, thirty-three".
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