Base | Representation |
---|---|
bin | 111000010110010101… |
… | …0010111011001010111 |
3 | 102120100021122000022222 |
4 | 1300230222113121113 |
5 | 3440311121401141 |
6 | 131331313412555 |
7 | 11512462216103 |
oct | 1605452273127 |
9 | 376307560288 |
10 | 121008387671 |
11 | 47357097766 |
12 | 1b55156a15b |
13 | b5460a0272 |
14 | 5bdd238903 |
15 | 323379214b |
hex | 1c2ca97657 |
121008387671 has 8 divisors (see below), whose sum is σ = 127589204400. Its totient is φ = 114448766400.
The previous prime is 121008387637. The next prime is 121008387683. The reversal of 121008387671 is 176783800121.
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 121008387671 - 214 = 121008371287 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 (121008387371) 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, 5287136 + ... + 5309973.
It is an arithmetic number, because the mean of its divisors is an integer number (15948650550).
Almost surely, 2121008387671 is an apocalyptic number.
121008387671 is a deficient number, since it is larger than the sum of its proper divisors (6580816729).
121008387671 is a wasteful number, since it uses less digits than its factorization.
121008387671 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10597729.
The product of its (nonzero) digits is 112896, while the sum is 44.
The spelling of 121008387671 in words is "one hundred twenty-one billion, eight million, three hundred eighty-seven thousand, six hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.082 sec. • engine limits •