Base | Representation |
---|---|
bin | 1010100100101100010… |
… | …0011011110010110111 |
3 | 122100212100220120001201 |
4 | 2221023010123302313 |
5 | 10434003402030210 |
6 | 215240432433331 |
7 | 16060260130141 |
oct | 2511304336267 |
9 | 570770816051 |
10 | 181648080055 |
11 | 70044673112 |
12 | 2b2556a8847 |
13 | 1418b212850 |
14 | 8b12a47c91 |
15 | 4ad225353a |
hex | 2a4b11bcb7 |
181648080055 has 16 divisors (see below), whose sum is σ = 237573473760. Its totient is φ = 132523970688.
The previous prime is 181648080041. The next prime is 181648080067. The reversal of 181648080055 is 550080846181.
It is a cyclic number.
It is not a de Polignac number, because 181648080055 - 27 = 181648079927 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 181648079987 and 181648080014.
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, 16829460 + ... + 16840249.
It is an arithmetic number, because the mean of its divisors is an integer number (14848342110).
Almost surely, 2181648080055 is an apocalyptic number.
181648080055 is a deficient number, since it is larger than the sum of its proper divisors (55925393705).
181648080055 is a wasteful number, since it uses less digits than its factorization.
181648080055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33669810.
The product of its (nonzero) digits is 307200, while the sum is 46.
The spelling of 181648080055 in words is "one hundred eighty-one billion, six hundred forty-eight million, eighty thousand, fifty-five".
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