Search a number
4001261240801 = 111564123256251
BaseRepresentation
bin111010001110011101110…
…000010100000111100001
3112011111221202221101001102
4322032131300110013201
51011024040334201201
612302053134444145
7562036661244026
oct72163560240741
915144852841042
104001261240801
111302a1a726540
1254757a363655
132304181b2876
14db93aa5154d
156e136a9126b
hex3a39dc141e1

4001261240801 has 8 divisors (see below), whose sum is σ = 4365291525408. Its totient is φ = 3637277500000.

The previous prime is 4001261240677. The next prime is 4001261240857. The reversal of 4001261240801 is 1080421621004.

Adding to 4001261240801 its reverse (1080421621004), we get a palindrome (5081682861805).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4001261240801 - 210 = 4001261239777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4001261240881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11456075 + ... + 11800176.

It is an arithmetic number, because the mean of its divisors is an integer number (545661440676).

Almost surely, 24001261240801 is an apocalyptic number.

It is an amenable number.

4001261240801 is a deficient number, since it is larger than the sum of its proper divisors (364030284607).

4001261240801 is a wasteful number, since it uses less digits than its factorization.

4001261240801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23271903.

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 4001261240801 in words is "four trillion, one billion, two hundred sixty-one million, two hundred forty thousand, eight hundred one".