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4145040001 = 40011036001
BaseRepresentation
bin1111011100010000…
…0100101010000001
3101200212121211221001
43313010010222001
531442112240001
61523150332001
7204501154504
oct36704045201
911625554831
104145040001
1118378489a3
129781ba001
135109a4abb
142b470b13b
15193d75001
hexf7104a81

4145040001 has 4 divisors (see below), whose sum is σ = 4146080004. Its totient is φ = 4144000000.

The previous prime is 4145039971. The next prime is 4145040061. The reversal of 4145040001 is 1000405414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2180423025 + 1964616976 = 46695^2 + 44324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4145040001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4145040061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514000 + ... + 522001.

It is an arithmetic number, because the mean of its divisors is an integer number (1036520001).

Almost surely, 24145040001 is an apocalyptic number.

It is an amenable number.

4145040001 is a deficient number, since it is larger than the sum of its proper divisors (1040003).

4145040001 is a wasteful number, since it uses less digits than its factorization.

4145040001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040002.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 4145040001 is about 64381.9850656999. The cubic root of 4145040001 is about 1606.3601014911.

Adding to 4145040001 its reverse (1000405414), we get a palindrome (5145445415).

The spelling of 4145040001 in words is "four billion, one hundred forty-five million, forty thousand, one".

Divisors: 1 4001 1036001 4145040001