Base | Representation |
---|---|
bin | 1000000011010101… |
… | …0111011110000111 |
3 | 12120122012020002221 |
4 | 2000311113132013 |
5 | 13411314122130 |
6 | 554251513211 |
7 | 104364135523 |
oct | 20065273607 |
9 | 5518166087 |
10 | 2161473415 |
11 | a0a105a72 |
12 | 503a58807 |
13 | 285a6266a |
14 | 1670ccd83 |
15 | c9b5b87a |
hex | 80d57787 |
2161473415 has 16 divisors (see below), whose sum is σ = 2865751488. Its totient is φ = 1556701696.
The previous prime is 2161473403. The next prime is 2161473487. The reversal of 2161473415 is 5143741612.
2161473415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2161473415 - 27 = 2161473287 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550852 + ... + 554761.
It is an arithmetic number, because the mean of its divisors is an integer number (179109468).
Almost surely, 22161473415 is an apocalyptic number.
2161473415 is a deficient number, since it is larger than the sum of its proper divisors (704278073).
2161473415 is a wasteful number, since it uses less digits than its factorization.
2161473415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1105658.
The product of its digits is 20160, while the sum is 34.
The square root of 2161473415 is about 46491.6488737494. The cubic root of 2161473415 is about 1292.9546709521.
The spelling of 2161473415 in words is "two billion, one hundred sixty-one million, four hundred seventy-three thousand, four hundred fifteen".
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