Base | Representation |
---|---|
bin | 100001010100001001… |
… | …0100111100000011000 |
3 | 20211122221122101011010 |
4 | 1002220102213200120 |
5 | 2133004442220212 |
6 | 52511045133520 |
7 | 5111620603122 |
oct | 1025022474030 |
9 | 224587571133 |
10 | 71542929432 |
11 | 28383133867 |
12 | 11a476ba2a0 |
13 | 6991cba950 |
14 | 36698d2212 |
15 | 1cdacda03c |
hex | 10a84a7818 |
71542929432 has 64 divisors (see below), whose sum is σ = 192650744160. Its totient is φ = 22009190400.
The previous prime is 71542929407. The next prime is 71542929433. The reversal of 71542929432 is 23492924517.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71542929433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004382 + ... + 2039762.
Almost surely, 271542929432 is an apocalyptic number.
It is an amenable number.
71542929432 is an abundant number, since it is smaller than the sum of its proper divisors (121107814728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71542929432 is a wasteful number, since it uses less digits than its factorization.
71542929432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41884 (or 41880 counting only the distinct ones).
The product of its digits is 1088640, while the sum is 48.
The spelling of 71542929432 in words is "seventy-one billion, five hundred forty-two million, nine hundred twenty-nine thousand, four hundred thirty-two".
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