Search a number
-
+
18157436269016 = 2311614677243111
BaseRepresentation
bin1000010000011100110111…
…00010011111000111011000
32101021211111221201202221012
410020032123202133013120
54334442412141102031
6102341224442433052
73552555124514432
oct410163342370730
971254457652835
1018157436269016
115870586457380
122053048802788
13a19314b048c5
1446ab78a01652
152174b372bb2b
hex10839b89f1d8

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".

Divisors: 1 2 4 8 11 22 44 61 88 122 244 467 488 671 934 1342 1868 2684 3736 5137 5368 10274 20548 28487 41096 56974 113948 227896 313357 626714 1253428 2506856 7243111 14486222 28972444 57944888 79674221 159348442 318696884 441829771 637393768 883659542 1767319084 3382532837 3534638168 4860127481 6765065674 9720254962 13530131348 19440509924 27060262696 37207861207 38881019848 74415722414 148831444828 206334503057 297662889656 412669006114 825338012228 1650676024456 2269679533627 4539359067254 9078718134508 18157436269016