Base | Representation |
---|---|
bin | 1000010000011100110111… |
… | …00010011111000111011000 |
3 | 2101021211111221201202221012 |
4 | 10020032123202133013120 |
5 | 4334442412141102031 |
6 | 102341224442433052 |
7 | 3552555124514432 |
oct | 410163342370730 |
9 | 71254457652835 |
10 | 18157436269016 |
11 | 5870586457380 |
12 | 2053048802788 |
13 | a19314b048c5 |
14 | 46ab78a01652 |
15 | 2174b372bb2b |
hex | 10839b89f1d8 |
18157436269016 has 64 divisors (see below), whose sum is σ = 37829904802560. Its totient is φ = 8100694224000.
The previous prime is 18157436268991. The next prime is 18157436269039. The reversal of 18157436269016 is 61096263475181.
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, 1114700 + ... + 6128411.
It is an arithmetic number, because the mean of its divisors is an integer number (591092262540).
It is a 1-persistent number, because it is pandigital, but 2⋅18157436269016 = 36314872538032 is not.
Almost surely, 218157436269016 is an apocalyptic number.
It is an amenable number.
18157436269016 is an abundant number, since it is smaller than the sum of its proper divisors (19672468533544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18157436269016 is a wasteful number, since it uses less digits than its factorization.
18157436269016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7243656 (or 7243652 counting only the distinct ones).
The product of its (nonzero) digits is 13063680, while the sum is 59.
The spelling of 18157436269016 in words is "eighteen trillion, one hundred fifty-seven billion, four hundred thirty-six million, two hundred sixty-nine thousand, sixteen".
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