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45220213441 = 13173174111549
BaseRepresentation
bin101010000111010101…
…011011001011000001
311022201110210212010001
4222013111123023001
51220102333312231
632435054040001
73160412320654
oct520725331301
9138643725101
1045220213441
11181a56a4727
1289201a9001
134358724a60
14228d9d389b
151299e3bb61
hexa8755b2c1

45220213441 has 16 divisors (see below), whose sum is σ = 49012563600. Its totient is φ = 41473025280.

The previous prime is 45220213417. The next prime is 45220213459. The reversal of 45220213441 is 14431202254.

It can be written as a sum of positive squares in 8 ways, for example, as 44836416 + 45175377025 = 6696^2 + 212545^2 .

It is a cyclic number.

It is not a de Polignac number, because 45220213441 - 233 = 36630278849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45220213411) 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 15 ways as a sum of consecutive naturals, for example, 3909735 + ... + 3921283.

It is an arithmetic number, because the mean of its divisors is an integer number (3063285225).

Almost surely, 245220213441 is an apocalyptic number.

It is an amenable number.

45220213441 is a deficient number, since it is larger than the sum of its proper divisors (3792350159).

45220213441 is a wasteful number, since it uses less digits than its factorization.

45220213441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13476.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 45220213441 its reverse (14431202254), we get a palindrome (59651415695).

The spelling of 45220213441 in words is "forty-five billion, two hundred twenty million, two hundred thirteen thousand, four hundred forty-one".

Divisors: 1 13 173 1741 2249 11549 22633 150137 301193 1997977 3915509 20106809 25973701 261388517 3478477957 45220213441