Base | Representation |
---|---|
bin | 1010100010101100101… |
… | …1011110100001000101 |
3 | 122022111002011111002002 |
4 | 2220223023132201011 |
5 | 10431404420232201 |
6 | 215111401155045 |
7 | 16041102366203 |
oct | 2505313364105 |
9 | 568432144062 |
10 | 181113055301 |
11 | 6a89a6640a2 |
12 | 2b12648ba85 |
13 | 14104416659 |
14 | 8aa1976073 |
15 | 4aa02bc76b |
hex | 2a2b2de845 |
181113055301 has 16 divisors (see below), whose sum is σ = 188411184000. Its totient is φ = 173887828800.
The previous prime is 181113055217. The next prime is 181113055303. The reversal of 181113055301 is 103550311181.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-181113055301 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (29).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (181113055303) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3773150 + ... + 3820848.
It is an arithmetic number, because the mean of its divisors is an integer number (11775699000).
Almost surely, 2181113055301 is an apocalyptic number.
It is an amenable number.
181113055301 is a deficient number, since it is larger than the sum of its proper divisors (7298128699).
181113055301 is a wasteful number, since it uses less digits than its factorization.
181113055301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48460.
The product of its (nonzero) digits is 1800, while the sum is 29.
Adding to 181113055301 its reverse (103550311181), we get a palindrome (284663366482).
The spelling of 181113055301 in words is "one hundred eighty-one billion, one hundred thirteen million, fifty-five thousand, three hundred one".
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