Base | Representation |
---|---|
bin | 1011011110100011… |
… | …10011001000100000 |
3 | 120220102201011102121 |
4 | 11233101303020200 |
5 | 100104421413120 |
6 | 2455234554024 |
7 | 305461215106 |
oct | 55721631040 |
9 | 16812634377 |
10 | 6161904160 |
11 | 2682263885 |
12 | 123b738914 |
13 | 7727a5149 |
14 | 426515c76 |
15 | 260e695aa |
hex | 16f473220 |
6161904160 has 24 divisors (see below), whose sum is σ = 14557498956. Its totient is φ = 2464761600.
The previous prime is 6161904109. The next prime is 6161904163. The reversal of 6161904160 is 614091616.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 6022380816 + 139523344 = 77604^2 + 11812^2 .
It is not an unprimeable number, because it can be changed into a prime (6161904163) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19255791 + ... + 19256110.
Almost surely, 26161904160 is an apocalyptic number.
It is an amenable number.
6161904160 is an abundant number, since it is smaller than the sum of its proper divisors (8395594796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6161904160 is a wasteful number, since it uses less digits than its factorization.
6161904160 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38511916 (or 38511908 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 34.
The square root of 6161904160 is about 78497.7971665447. The cubic root of 6161904160 is about 1833.3201553506.
Adding to 6161904160 its reverse (614091616), we get a palindrome (6775995776).
The spelling of 6161904160 in words is "six billion, one hundred sixty-one million, nine hundred four thousand, one hundred sixty".
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