Base | Representation |
---|---|
bin | 101111110000011… |
… | …110010011000001 |
3 | 2001211200000101101 |
4 | 233300132103001 |
5 | 3120104024121 |
6 | 211301134401 |
7 | 25566252325 |
oct | 5760362301 |
9 | 2054600341 |
10 | 801236161 |
11 | 381305650 |
12 | 1a43ba401 |
13 | c9cc674b |
14 | 785ab985 |
15 | 4a51d491 |
hex | 2fc1e4c1 |
801236161 has 8 divisors (see below), whose sum is σ = 877304448. Its totient is φ = 725706000.
The previous prime is 801236153. The next prime is 801236173. The reversal of 801236161 is 161632108.
801236161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 801236161 - 23 = 801236153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (801236141) 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, 131410 + ... + 137371.
It is an arithmetic number, because the mean of its divisors is an integer number (109663056).
Almost surely, 2801236161 is an apocalyptic number.
It is an amenable number.
801236161 is a deficient number, since it is larger than the sum of its proper divisors (76068287).
801236161 is a wasteful number, since it uses less digits than its factorization.
801236161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 269063.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 801236161 is about 28306.1152580145. The cubic root of 801236161 is about 928.7956665810.
Adding to 801236161 its reverse (161632108), we get a palindrome (962868269).
The spelling of 801236161 in words is "eight hundred one million, two hundred thirty-six thousand, one hundred sixty-one".
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