Base | Representation |
---|---|
bin | 1010100000100001110… |
… | …0010111011001110101 |
3 | 122020222110120102201122 |
4 | 2220020130113121311 |
5 | 10424211222430203 |
6 | 214533502233325 |
7 | 16020465030044 |
oct | 2501034273165 |
9 | 566873512648 |
10 | 180530280053 |
11 | 6a620700462 |
12 | 2aba3285845 |
13 | 1404076bc26 |
14 | 8a483d455b |
15 | 4a69053538 |
hex | 2a08717675 |
180530280053 has 16 divisors (see below), whose sum is σ = 200147397120. Its totient is φ = 162063711216.
The previous prime is 180530280043. The next prime is 180530280067. The reversal of 180530280053 is 350082035081.
It is a cyclic number.
It is not a de Polignac number, because 180530280053 - 24 = 180530280037 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 180530279995 and 180530280022.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180530280023) 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, 1883675 + ... + 1977192.
It is an arithmetic number, because the mean of its divisors is an integer number (12509212320).
Almost surely, 2180530280053 is an apocalyptic number.
It is an amenable number.
180530280053 is a deficient number, since it is larger than the sum of its proper divisors (19617117067).
180530280053 is a wasteful number, since it uses less digits than its factorization.
180530280053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3861016.
The product of its (nonzero) digits is 28800, while the sum is 35.
The spelling of 180530280053 in words is "one hundred eighty billion, five hundred thirty million, two hundred eighty thousand, fifty-three".
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