Base | Representation |
---|---|
bin | 100001001110011101… |
… | …1111110101111000000 |
3 | 20211011200012210212001 |
4 | 1002130323332233000 |
5 | 2132112211232023 |
6 | 52440122313344 |
7 | 5104115532403 |
oct | 1023473765700 |
9 | 224150183761 |
10 | 71352445888 |
11 | 28295660749 |
12 | 119b3958854 |
13 | 69616b60a9 |
14 | 364c4a9d3a |
15 | 1cc92106ad |
hex | 109cefebc0 |
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".
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