Base | Representation |
---|---|
bin | 10000001100010100001110… |
… | …110101100101001110100101 |
3 | 100100011002121212202210200012 |
4 | 100030110032311211032211 |
5 | 33313242012011141432 |
6 | 411243433245100005 |
7 | 21000056415242360 |
oct | 2014241665451645 |
9 | 310132555683605 |
10 | 71215101662117 |
11 | 20767178350506 |
12 | 7ba1b69557605 |
13 | 309772ac1394a |
14 | 1382b878b90d7 |
15 | 8377053c7cb2 |
hex | 40c50ed653a5 |
71215101662117 has 8 divisors (see below), whose sum is σ = 81390330268800. Its totient is φ = 61040283719184.
The previous prime is 71215101662099. The next prime is 71215101662123. The reversal of 71215101662117 is 71126610151217.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 71215101662117 - 214 = 71215101645733 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71215101662017) 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, 102294242 + ... + 102988067.
It is an arithmetic number, because the mean of its divisors is an integer number (10173791283600).
Almost surely, 271215101662117 is an apocalyptic number.
It is an amenable number.
71215101662117 is a deficient number, since it is larger than the sum of its proper divisors (10175228606683).
71215101662117 is a wasteful number, since it uses less digits than its factorization.
71215101662117 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205331875.
The product of its (nonzero) digits is 35280, while the sum is 41.
The spelling of 71215101662117 in words is "seventy-one trillion, two hundred fifteen billion, one hundred one million, six hundred sixty-two thousand, one hundred seventeen".
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