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8542416568 = 23721923471061
BaseRepresentation
bin1111111010010101…
…01110111010111000
3211001100001201112211
413331022232322320
5114443324312233
63531353344504
7421455225400
oct77512567270
924040051484
108542416568
113693a76004
1217a4a08134
13a61a2997a
145b0741800
1534ee415cd
hex1fd2aeeb8

8542416568 has 192 divisors, whose sum is σ = 20920550400. Its totient is φ = 3243905280.

The previous prime is 8542416559. The next prime is 8542416661. The reversal of 8542416568 is 8656142458.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8050758 + ... + 8051818.

It is an arithmetic number, because the mean of its divisors is an integer number (108961200).

Almost surely, 28542416568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8542416568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10460275200).

8542416568 is an abundant number, since it is smaller than the sum of its proper divisors (12378133832).

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

8542416568 is a wasteful number, since it uses less digits than its factorization.

8542416568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1159 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 49.

The square root of 8542416568 is about 92425.1944439394. The cubic root of 8542416568 is about 2044.2166218156.

The spelling of 8542416568 in words is "eight billion, five hundred forty-two million, four hundred sixteen thousand, five hundred sixty-eight".