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184530870138 = 231032857104513
BaseRepresentation
bin1010101111011011100…
…1011001111101111010
3122122022021101110121210
42223312321121331322
511010404400321023
6220434452543550
716221563342016
oct2536671317572
9578267343553
10184530870138
1171293957a5a
122b91b021bb6
131452a5390b4
148d0785d546
154c00393593
hex2af6e59f7a

184530870138 has 32 divisors (see below), whose sum is σ = 372778862976. Its totient is φ = 60891199488.

The previous prime is 184530870133. The next prime is 184530870151. The reversal of 184530870138 is 831078035481.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (184530870133) 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, 1713370 + ... + 1817882.

It is an arithmetic number, because the mean of its divisors is an integer number (11649339468).

Almost surely, 2184530870138 is an apocalyptic number.

184530870138 is an abundant number, since it is smaller than the sum of its proper divisors (188247992838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

184530870138 is a wasteful number, since it uses less digits than its factorization.

184530870138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107478.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 184530870138 in words is "one hundred eighty-four billion, five hundred thirty million, eight hundred seventy thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 103 206 309 618 2857 5714 8571 17142 104513 209026 294271 313539 588542 627078 882813 1765626 10764839 21529678 32294517 64589034 298593641 597187282 895780923 1791561846 30755145023 61510290046 92265435069 184530870138