Base | Representation |
---|---|
bin | 111000100001001001… |
… | …0101001111000111101 |
3 | 102121021120110101021210 |
4 | 1301002102221320331 |
5 | 3442032021130332 |
6 | 131431315315033 |
7 | 11524456531134 |
oct | 1610222517075 |
9 | 377246411253 |
10 | 121371270717 |
11 | 47522a11104 |
12 | 1b632baba79 |
13 | b5a3317368 |
14 | 5c354da91b |
15 | 3255572ecc |
hex | 1c424a9e3d |
121371270717 has 8 divisors (see below), whose sum is σ = 162641569600. Its totient is φ = 80507576160.
The previous prime is 121371270659. The next prime is 121371270809. The reversal of 121371270717 is 717072173121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 121371270717 - 224 = 121354493501 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 (121371270017) 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, 101650384 + ... + 101651577.
It is an arithmetic number, because the mean of its divisors is an integer number (20330196200).
Almost surely, 2121371270717 is an apocalyptic number.
It is an amenable number.
121371270717 is a deficient number, since it is larger than the sum of its proper divisors (41270298883).
121371270717 is a wasteful number, since it uses less digits than its factorization.
121371270717 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203302163.
The product of its (nonzero) digits is 28812, while the sum is 39.
The spelling of 121371270717 in words is "one hundred twenty-one billion, three hundred seventy-one million, two hundred seventy thousand, seven hundred seventeen".
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