Base | Representation |
---|---|
bin | 10000001100101010010110… |
… | …000010110010000100010001 |
3 | 100100020100220120211101221110 |
4 | 100030222112002302010101 |
5 | 33314134123242230332 |
6 | 411302401252443533 |
7 | 21001556662265334 |
oct | 2014522602620421 |
9 | 310210816741843 |
10 | 71238844883217 |
11 | 2077625181a990 |
12 | 7ba66950195a9 |
13 | 3099a42c65bbb |
14 | 1383d9ad9261b |
15 | 838144a964cc |
hex | 40ca960b2111 |
71238844883217 has 32 divisors (see below), whose sum is σ = 108292480174080. Its totient is φ = 41234051006720.
The previous prime is 71238844883197. The next prime is 71238844883251.
71238844883217 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 71238844883217 - 212 = 71238844879121 is a prime.
It is not an unprimeable number, because it can be changed into a prime (71238844863217) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72042792 + ... + 73024937.
It is an arithmetic number, because the mean of its divisors is an integer number (3384140005440).
Almost surely, 271238844883217 is an apocalyptic number.
It is an amenable number.
71238844883217 is a deficient number, since it is larger than the sum of its proper divisors (37053635290863).
71238844883217 is a wasteful number, since it uses less digits than its factorization.
71238844883217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 145068413.
The product of its digits is 115605504, while the sum is 66.
The spelling of 71238844883217 in words is "seventy-one trillion, two hundred thirty-eight billion, eight hundred forty-four million, eight hundred eighty-three thousand, two hundred seventeen".
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