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45197850240 = 27325293771103
BaseRepresentation
bin101010000110000000…
…000111011010000000
311022122220201200120100
4222012000013122000
51220031122201430
632432534442400
73160021250064
oct520600073200
9138586650510
1045197850240
111819400a944
128914803400
134353bc4aaa
14228aa51aa4
151297ec0960
hexa86007680

45197850240 has 768 divisors, whose sum is σ = 169787404800. Its totient is φ = 11054776320.

The previous prime is 45197850223. The next prime is 45197850263. The reversal of 45197850240 is 4205879154.

45197850240 is a `hidden beast` number, since 4 + 51 + 97 + 8 + 502 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 438814029 + ... + 438814131.

It is an arithmetic number, because the mean of its divisors is an integer number (221077350).

Almost surely, 245197850240 is an apocalyptic number.

45197850240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45197850240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84893702400).

45197850240 is an abundant number, since it is smaller than the sum of its proper divisors (124589554560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45197850240 is a wasteful number, since it uses less digits than its factorization.

45197850240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 45197850240 in words is "forty-five billion, one hundred ninety-seven million, eight hundred fifty thousand, two hundred forty".