Base | Representation |
---|---|
bin | 10000001111101101001111… |
… | …110101011101110001011001 |
3 | 100100222101002100121101022011 |
4 | 100033231033311131301121 |
5 | 33331101222304301401 |
6 | 411542451405025521 |
7 | 21022646012556412 |
oct | 2017551765356131 |
9 | 310871070541264 |
10 | 71448120384601 |
11 | 20846a83343604 |
12 | 801b15ab552a1 |
13 | 30b36b4b3621c |
14 | 1390170cc2809 |
15 | 83d7e24b7451 |
hex | 40fb4fd5dc59 |
71448120384601 has 3 divisors (see below), whose sum is σ = 71448128837301. Its totient is φ = 71448111931902.
The previous prime is 71448120384587. The next prime is 71448120384607. The reversal of 71448120384601 is 10648302184417.
The square root of 71448120384601 is 8452699.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is not a de Polignac number, because 71448120384601 - 29 = 71448120384089 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (71448120384607) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4226350 + ... + 12679048.
It is an arithmetic number, because the mean of its divisors is an integer number (23816042945767).
Almost surely, 271448120384601 is an apocalyptic number.
71448120384601 is the 8452699-th square number.
71448120384601 is the 4226350-th centered octagonal number.
It is an amenable number.
71448120384601 is a deficient number, since it is larger than the sum of its proper divisors (8452700).
71448120384601 is an frugal number, since it uses more digits than its factorization.
71448120384601 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16905398 (or 8452699 counting only the distinct ones).
The product of its (nonzero) digits is 1032192, while the sum is 49.
The spelling of 71448120384601 in words is "seventy-one trillion, four hundred forty-eight billion, one hundred twenty million, three hundred eighty-four thousand, six hundred one".
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