Base | Representation |
---|---|
bin | 100001001100000011… |
… | …0001111100100101111 |
3 | 20210222000102122100012 |
4 | 1002120012033210233 |
5 | 2131430420001343 |
6 | 52424102123435 |
7 | 5102111426345 |
oct | 1023006174457 |
9 | 223860378305 |
10 | 71271250223 |
11 | 28253843198 |
12 | 1199072057b |
13 | 694a927714 |
14 | 36417b1995 |
15 | 1cc2022718 |
hex | 109818f92f |
71271250223 has 8 divisors (see below), whose sum is σ = 71420361600. Its totient is φ = 71122188888.
The previous prime is 71271250217. The next prime is 71271250241. The reversal of 71271250223 is 32205217217.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 71271250223 - 212 = 71271246127 is a prime.
It is a super-2 number, since 2×712712502232 (a number of 23 digits) contains 22 as substring.
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 71271250223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71271250273) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4457918 + ... + 4473876.
It is an arithmetic number, because the mean of its divisors is an integer number (8927545200).
Almost surely, 271271250223 is an apocalyptic number.
71271250223 is a deficient number, since it is larger than the sum of its proper divisors (149111377).
71271250223 is a wasteful number, since it uses less digits than its factorization.
71271250223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25021.
The product of its (nonzero) digits is 11760, while the sum is 32.
The spelling of 71271250223 in words is "seventy-one billion, two hundred seventy-one million, two hundred fifty thousand, two hundred twenty-three".
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