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71335858568 = 231321929313089
BaseRepresentation
bin100001001101111110…
…0101101000110001000
320211010112000002022212
41002123330231012020
52132043434433233
652434331004252
75103524536022
oct1023374550610
9224115002285
1071335858568
1128287261417
12119aa299688
13695b129100
14364a1cd012
151cc7a35a48
hex109bf2d188

71335858568 has 192 divisors, whose sum is σ = 162855360000. Its totient is φ = 29134909440.

The previous prime is 71335858543. The next prime is 71335858577. The reversal of 71335858568 is 86585853317.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

Its product of digits (24192000) is a multiple of the sum of its prime factors (3200).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 23091968 + ... + 23095056.

It is an arithmetic number, because the mean of its divisors is an integer number (848205000).

Almost surely, 271335858568 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 71335858568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81427680000).

71335858568 is an abundant number, since it is smaller than the sum of its proper divisors (91519501432).

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

71335858568 is a wasteful number, since it uses less digits than its factorization.

71335858568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200 (or 3183 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 59.

The spelling of 71335858568 in words is "seventy-one billion, three hundred thirty-five million, eight hundred fifty-eight thousand, five hundred sixty-eight".