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71352445888 = 262348473129
BaseRepresentation
bin100001001110011101…
…1111110101111000000
320211011200012210212001
41002130323332233000
52132112211232023
652440122313344
75104115532403
oct1023473765700
9224150183761
1071352445888
1128295660749
12119b3958854
1369616b60a9
14364c4a9d3a
151cc92106ad
hex109cefebc0

71352445888 has 28 divisors (see below), whose sum is σ = 147746100240. Its totient is φ = 34125082112.

The previous prime is 71352445867. The next prime is 71352445889. The reversal of 71352445888 is 88854425317.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71352445889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24235093 + ... + 24238036.

Almost surely, 271352445888 is an apocalyptic number.

It is an amenable number.

71352445888 is an abundant number, since it is smaller than the sum of its proper divisors (76393654352).

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

71352445888 is a wasteful number, since it uses less digits than its factorization.

71352445888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48473164 (or 48473154 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 55.

The spelling of 71352445888 in words is "seventy-one billion, three hundred fifty-two million, four hundred forty-five thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 23 32 46 64 92 184 368 736 1472 48473129 96946258 193892516 387785032 775570064 1114881967 1551140128 2229763934 3102280256 4459527868 8919055736 17838111472 35676222944 71352445888