Base | Representation |
---|---|
bin | 100001011010001011… |
… | …0110001011100010101 |
3 | 20212012001112011112011 |
4 | 1002310112301130111 |
5 | 2133413302022201 |
6 | 52543115424221 |
7 | 5116626241630 |
oct | 1026426613425 |
9 | 225161464464 |
10 | 71745345301 |
11 | 28477416903 |
12 | 11aa3455071 |
13 | 69c4c0c756 |
14 | 3688742c17 |
15 | 1ced970151 |
hex | 10b45b1715 |
71745345301 has 4 divisors (see below), whose sum is σ = 81994680352. Its totient is φ = 61496010252.
The previous prime is 71745345299. The next prime is 71745345317. The reversal of 71745345301 is 10354354717.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 71745345301 - 21 = 71745345299 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71745345341) 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 3 ways as a sum of consecutive naturals, for example, 5124667515 + ... + 5124667528.
It is an arithmetic number, because the mean of its divisors is an integer number (20498670088).
Almost surely, 271745345301 is an apocalyptic number.
It is an amenable number.
71745345301 is a deficient number, since it is larger than the sum of its proper divisors (10249335051).
71745345301 is a wasteful number, since it uses less digits than its factorization.
71745345301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10249335050.
The product of its (nonzero) digits is 176400, while the sum is 40.
The spelling of 71745345301 in words is "seventy-one billion, seven hundred forty-five million, three hundred forty-five thousand, three hundred one".
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