Base | Representation |
---|---|
bin | 100001010011110000… |
… | …1101110000101000101 |
3 | 20211122001112010222112 |
4 | 1002213201232011011 |
5 | 2132443202030201 |
6 | 52505510310405 |
7 | 5111403625355 |
oct | 1024741560505 |
9 | 224561463875 |
10 | 71530111301 |
11 | 28376979370 |
12 | 11a43358405 |
13 | 698c45045c |
14 | 3667d16b65 |
15 | 1cd9b070bb |
hex | 10a786e145 |
71530111301 has 8 divisors (see below), whose sum is σ = 79936089408. Its totient is φ = 63441340000.
The previous prime is 71530111283. The next prime is 71530111307. The reversal of 71530111301 is 10311103517.
It is a happy number.
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 71530111301 - 210 = 71530110277 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 (71530111307) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79301225 + ... + 79302126.
It is an arithmetic number, because the mean of its divisors is an integer number (9992011176).
Almost surely, 271530111301 is an apocalyptic number.
It is an amenable number.
71530111301 is a deficient number, since it is larger than the sum of its proper divisors (8405978107).
71530111301 is a wasteful number, since it uses less digits than its factorization.
71530111301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 158603403.
The product of its (nonzero) digits is 315, while the sum is 23.
Adding to 71530111301 its reverse (10311103517), we get a palindrome (81841214818).
The spelling of 71530111301 in words is "seventy-one billion, five hundred thirty million, one hundred eleven thousand, three hundred one".
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