Base | Representation |
---|---|
bin | 100001000101111110… |
… | …1110110110011111101 |
3 | 20210102211110111021221 |
4 | 1002023331312303331 |
5 | 2131021314200203 |
6 | 52351551553341 |
7 | 5064060460453 |
oct | 1021375666375 |
9 | 223384414257 |
10 | 71067725053 |
11 | 28159972776 |
12 | 1193452b851 |
13 | 6917707a20 |
14 | 36227529d3 |
15 | 1cae21dabd |
hex | 108bf76cfd |
71067725053 has 12 divisors (see below), whose sum is σ = 77809757844. Its totient is φ = 64525507200.
The previous prime is 71067725051. The next prime is 71067725059. The reversal of 71067725053 is 35052776017.
It can be written as a sum of positive squares in 6 ways, for example, as 44970291844 + 26097433209 = 212062^2 + 161547^2 .
It is not a de Polignac number, because 71067725053 - 21 = 71067725051 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71067725051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686208 + ... + 782953.
It is an arithmetic number, because the mean of its divisors is an integer number (6484146487).
Almost surely, 271067725053 is an apocalyptic number.
It is an amenable number.
71067725053 is a deficient number, since it is larger than the sum of its proper divisors (6742032791).
71067725053 is a wasteful number, since it uses less digits than its factorization.
71067725053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1469296 (or 1469235 counting only the distinct ones).
The product of its (nonzero) digits is 308700, while the sum is 43.
The spelling of 71067725053 in words is "seventy-one billion, sixty-seven million, seven hundred twenty-five thousand, fifty-three".
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