Base | Representation |
---|---|
bin | 10001010011101100… |
… | …011010100010001010 |
3 | 1202222011010002101220 |
4 | 101103230122202022 |
5 | 301030002134010 |
6 | 12312024022510 |
7 | 1225346400423 |
oct | 212354324212 |
9 | 52864102356 |
10 | 18584021130 |
11 | 7977217154 |
12 | 3727901a36 |
13 | 19a222310c |
14 | c8421464a |
15 | 73b7bb970 |
hex | 453b1a88a |
18584021130 has 16 divisors (see below), whose sum is σ = 44601650784. Its totient is φ = 4955738960.
The previous prime is 18584021119. The next prime is 18584021147. The reversal of 18584021130 is 3112048581.
It is a junction number, because it is equal to n+sod(n) for n = 18584021091 and 18584021100.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309733656 + ... + 309733715.
It is an arithmetic number, because the mean of its divisors is an integer number (2787603174).
Almost surely, 218584021130 is an apocalyptic number.
18584021130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18584021130 is an abundant number, since it is smaller than the sum of its proper divisors (26017629654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18584021130 is a wasteful number, since it uses less digits than its factorization.
18584021130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 619467381.
The product of its (nonzero) digits is 7680, while the sum is 33.
The spelling of 18584021130 in words is "eighteen billion, five hundred eighty-four million, twenty-one thousand, one hundred thirty".
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