Base | Representation |
---|---|
bin | 1000000011001001… |
… | …1111100001011001 |
3 | 12120120202221120020 |
4 | 2000302133201121 |
5 | 13411121014321 |
6 | 554223421053 |
7 | 104354550051 |
oct | 20062374131 |
9 | 5516687506 |
10 | 2160719961 |
11 | a09740984 |
12 | 503754789 |
13 | 28585a72a |
14 | 166d74561 |
15 | c9a5d4c6 |
hex | 80c9f859 |
2160719961 has 8 divisors (see below), whose sum is σ = 2903645184. Its totient is φ = 1429137360.
The previous prime is 2160719927. The next prime is 2160719989. The reversal of 2160719961 is 1699170612.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2160719961 - 223 = 2152331353 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (2160714961) 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, 2835210 + ... + 2835971.
It is an arithmetic number, because the mean of its divisors is an integer number (362955648).
Almost surely, 22160719961 is an apocalyptic number.
It is an amenable number.
2160719961 is a deficient number, since it is larger than the sum of its proper divisors (742925223).
2160719961 is a wasteful number, since it uses less digits than its factorization.
2160719961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5671311.
The product of its (nonzero) digits is 40824, while the sum is 42.
The square root of 2160719961 is about 46483.5450562885. The cubic root of 2160719961 is about 1292.8044192645.
The spelling of 2160719961 in words is "two billion, one hundred sixty million, seven hundred nineteen thousand, nine hundred sixty-one".
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