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440001401201 = 1107533972817
BaseRepresentation
bin1100110011100100010…
…00001001000101110001
31120001201110021002120122
412121302020021011301
524202110324314301
6534044525020025
743534434125645
oct6316210110561
91501643232518
10440001401201
1115a67035815a
12713376b4615
1332651a915cb
1417420a16c25
15b6a35aa81b
hex6672209171

440001401201 has 4 divisors (see below), whose sum is σ = 440005484772. Its totient is φ = 439997317632.

The previous prime is 440001401167. The next prime is 440001401221. The reversal of 440001401201 is 102104100044.

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 375180750400 + 64820650801 = 612520^2 + 254599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-440001401201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440001401201.

It is not an unprimeable number, because it can be changed into a prime (440001401221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875656 + ... + 2097161.

It is an arithmetic number, because the mean of its divisors is an integer number (110001371193).

Almost surely, 2440001401201 is an apocalyptic number.

It is an amenable number.

440001401201 is a deficient number, since it is larger than the sum of its proper divisors (4083571).

440001401201 is a wasteful number, since it uses less digits than its factorization.

440001401201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083570.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 440001401201 its reverse (102104100044), we get a palindrome (542105501245).

The spelling of 440001401201 in words is "four hundred forty billion, one million, four hundred one thousand, two hundred one".

Divisors: 1 110753 3972817 440001401201