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45044215001 = 297891512109
BaseRepresentation
bin101001111100110110…
…000010110011011001
311022021012122012122022
4221330312002303121
51214222304340001
632405405504225
73153144336662
oct517466026331
9138235565568
1045044215001
1118115315475
128891272075
13432b122376
14227449c369
15128977411b
hexa7cd82cd9

45044215001 has 4 divisors (see below), whose sum is σ = 45045756900. Its totient is φ = 45042673104.

The previous prime is 45044214979. The next prime is 45044215037. The reversal of 45044215001 is 10051244054.

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 11490768025 + 33553446976 = 107195^2 + 183176^2 .

It is a cyclic number.

It is not a de Polignac number, because 45044215001 - 26 = 45044214937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45044215091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726266 + ... + 785843.

It is an arithmetic number, because the mean of its divisors is an integer number (11261439225).

Almost surely, 245044215001 is an apocalyptic number.

It is an amenable number.

45044215001 is a deficient number, since it is larger than the sum of its proper divisors (1541899).

45044215001 is a wasteful number, since it uses less digits than its factorization.

45044215001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541898.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 45044215001 its reverse (10051244054), we get a palindrome (55095459055).

The spelling of 45044215001 in words is "forty-five billion, forty-four million, two hundred fifteen thousand, one".

Divisors: 1 29789 1512109 45044215001