Base | Representation |
---|---|
bin | 100001010010000001… |
… | …1001000011111100011 |
3 | 20211110222201122221022 |
4 | 1002210003020133203 |
5 | 2132333232331004 |
6 | 52500023520055 |
7 | 5110064643104 |
oct | 1024403103743 |
9 | 224428648838 |
10 | 71471761379 |
11 | 28346a45197 |
12 | 11a278b902b |
13 | 6980330585 |
14 | 36602883ab |
15 | 1cd492d2be |
hex | 10a40c87e3 |
71471761379 has 4 divisors (see below), whose sum is σ = 71473822560. Its totient is φ = 71469700200.
The previous prime is 71471761367. The next prime is 71471761429. The reversal of 71471761379 is 97316717417.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97316717417 = 919 ⋅105894143.
It is a cyclic number.
It is not a de Polignac number, because 71471761379 - 24 = 71471761363 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 71471761379.
It is not an unprimeable number, because it can be changed into a prime (71471760379) 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, 977672 + ... + 1048229.
It is an arithmetic number, because the mean of its divisors is an integer number (17868455640).
Almost surely, 271471761379 is an apocalyptic number.
71471761379 is a deficient number, since it is larger than the sum of its proper divisors (2061181).
71471761379 is a wasteful number, since it uses less digits than its factorization.
71471761379 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2061180.
The product of its digits is 1555848, while the sum is 53.
The spelling of 71471761379 in words is "seventy-one billion, four hundred seventy-one million, seven hundred sixty-one thousand, three hundred seventy-nine".
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