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16442017755012 = 2233541281406479
BaseRepresentation
bin1110111101000011010010…
…1000001010111110000100
32011012211201111011021202000
43233100310220022332010
54123341223021130022
654545205250345300
73314616345651123
oct357206450127604
964184644137660
1016442017755012
11526a025420033
121a166a658b230
13923624c2b885
1440bb25649aba
151d7a644c96ac
hexef434a0af84

16442017755012 has 48 divisors (see below), whose sum is σ = 42706247404800. Its totient is φ = 5470541932320.

The previous prime is 16442017754977. The next prime is 16442017755049. The reversal of 16442017755012 is 21055771024461.

16442017755012 is a `hidden beast` number, since 1 + 6 + 4 + 4 + 20 + 1 + 77 + 550 + 1 + 2 = 666.

It is a super-3 number, since 3×164420177550123 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 140644812 + ... + 140761667.

It is an arithmetic number, because the mean of its divisors is an integer number (889713487600).

Almost surely, 216442017755012 is an apocalyptic number.

16442017755012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16442017755012 is an abundant number, since it is smaller than the sum of its proper divisors (26264229649788).

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

16442017755012 is a wasteful number, since it uses less digits than its factorization.

16442017755012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281407033 (or 281407025 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

Adding to 16442017755012 its reverse (21055771024461), we get a palindrome (37497788779473).

The spelling of 16442017755012 in words is "sixteen trillion, four hundred forty-two billion, seventeen million, seven hundred fifty-five thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 541 1082 1623 2164 3246 4869 6492 9738 14607 19476 29214 58428 281406479 562812958 844219437 1125625916 1688438874 2532658311 3376877748 5065316622 7597974933 10130633244 15195949866 30391899732 152240905139 304481810278 456722715417 608963620556 913445430834 1370168146251 1826890861668 2740336292502 4110504438753 5480672585004 8221008877506 16442017755012