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45281217971 = 1110738471723
BaseRepresentation
bin101010001010111110…
…001000110110110011
311022212201121012121002
4222022332020312303
51220213442433341
632445113352215
73162053000513
oct521276106663
9138781535532
1045281217971
11182270812a0
12893870866b
134368264002
142297b53843
1512a048c29b
hexa8af88db3

45281217971 has 8 divisors (see below), whose sum is σ = 49859354304. Its totient is φ = 40780025320.

The previous prime is 45281217941. The next prime is 45281217979. The reversal of 45281217971 is 17971218254.

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 45281217971 - 26 = 45281217907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45281217979) 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 7 ways as a sum of consecutive naturals, for example, 19234685 + ... + 19237038.

It is an arithmetic number, because the mean of its divisors is an integer number (6232419288).

Almost surely, 245281217971 is an apocalyptic number.

45281217971 is a deficient number, since it is larger than the sum of its proper divisors (4578136333).

45281217971 is a wasteful number, since it uses less digits than its factorization.

45281217971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38471841.

The product of its digits is 282240, while the sum is 47.

The spelling of 45281217971 in words is "forty-five billion, two hundred eighty-one million, two hundred seventeen thousand, nine hundred seventy-one".

Divisors: 1 11 107 1177 38471723 423188953 4116474361 45281217971