Base | Representation |
---|---|
bin | 11001010100010101100… |
… | …11100010001110001001 |
3 | 10002011101200012101211001 |
4 | 30222022303202032021 |
5 | 103223040003042423 |
6 | 1503344312335001 |
7 | 116564143230544 |
oct | 14521263421611 |
9 | 3064350171731 |
10 | 869912159113 |
11 | 305a2280a698 |
12 | 1207179a4461 |
13 | 64056149a6a |
14 | 3016543385b |
15 | 17965d50cad |
hex | ca8ace2389 |
869912159113 has 8 divisors (see below), whose sum is σ = 870319608200. Its totient is φ = 869504813568.
The previous prime is 869912159069. The next prime is 869912159117. The reversal of 869912159113 is 311951219968.
It can be written as a sum of positive squares in 4 ways, for example, as 28705847184 + 841206311929 = 169428^2 + 917173^2 .
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 869912159113 - 237 = 732473205641 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (869912159117) 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, 20347003 + ... + 20389711.
It is an arithmetic number, because the mean of its divisors is an integer number (108789951025).
Almost surely, 2869912159113 is an apocalyptic number.
It is an amenable number.
869912159113 is a deficient number, since it is larger than the sum of its proper divisors (407449087).
869912159113 is a wasteful number, since it uses less digits than its factorization.
869912159113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51771.
The product of its digits is 1049760, while the sum is 55.
The spelling of 869912159113 in words is "eight hundred sixty-nine billion, nine hundred twelve million, one hundred fifty-nine thousand, one hundred thirteen".
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