Base | Representation |
---|---|
bin | 100001001111111010… |
… | …1001101100010110111 |
3 | 20211022001120202221200 |
4 | 1002133311031202313 |
5 | 2132212124100231 |
6 | 52445015143543 |
7 | 5105245341030 |
oct | 1023765154267 |
9 | 224261522850 |
10 | 71401003191 |
11 | 28310006551 |
12 | 11a08074bb3 |
13 | 696b78791b |
14 | 3654b09a87 |
15 | 1ccd602be6 |
hex | 109fd4d8b7 |
71401003191 has 48 divisors (see below), whose sum is σ = 121099650048. Its totient is φ = 39682872000.
The previous prime is 71401003151. The next prime is 71401003231. The reversal of 71401003191 is 19130010417.
71401003191 is a `hidden beast` number, since 71 + 401 + 0 + 0 + 3 + 191 = 666.
It is an interprime number because it is at equal distance from previous prime (71401003151) and next prime (71401003231).
It is not a de Polignac number, because 71401003191 - 29 = 71401002679 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71401003111) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9579016 + ... + 9586466.
It is an arithmetic number, because the mean of its divisors is an integer number (2522909376).
Almost surely, 271401003191 is an apocalyptic number.
71401003191 is a deficient number, since it is larger than the sum of its proper divisors (49698646857).
71401003191 is a wasteful number, since it uses less digits than its factorization.
71401003191 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11612 (or 11609 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 27.
It can be divided in two parts, 7140 and 1003191, that added together give a triangular number (1010331 = T1421).
The spelling of 71401003191 in words is "seventy-one billion, four hundred one million, three thousand, one hundred ninety-one".
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