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29890111111110 = 23251929220784301
BaseRepresentation
bin1101100101111010101010…
…11101000111111111000110
310220211110121020100210220100
412302331111131013333012
512404204421421023420
6143323154422544530
76203326550265645
oct662752535077706
9126743536323810
1029890111111110
119584363541408
123428aa1898146
13138a818c76383
14754990c4b35c
1536c79c82d190
hex1b2f55747fc6

29890111111110 has 144 divisors (see below), whose sum is σ = 84722634556560. Its totient is φ = 7290799891200.

The previous prime is 29890111111103. The next prime is 29890111111123. The reversal of 29890111111110 is 1111111109892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8954041 + ... + 11830260.

It is an arithmetic number, because the mean of its divisors is an integer number (588351628865).

Almost surely, 229890111111110 is an apocalyptic number.

29890111111110 is an abundant number, since it is smaller than the sum of its proper divisors (54832523445450).

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

29890111111110 is a wasteful number, since it uses less digits than its factorization.

29890111111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20784391 (or 20784359 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 36.

The spelling of 29890111111110 in words is "twenty-nine trillion, eight hundred ninety billion, one hundred eleven million, one hundred eleven thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 19 29 30 38 45 57 58 87 90 95 114 145 171 174 190 261 285 290 342 435 522 551 570 841 855 870 1102 1305 1653 1682 1710 2523 2610 2755 3306 4205 4959 5046 5510 7569 8265 8410 9918 12615 15138 15979 16530 24795 25230 31958 37845 47937 49590 75690 79895 95874 143811 159790 239685 287622 479370 719055 1438110 20784301 41568602 62352903 103921505 124705806 187058709 207843010 311764515 374117418 394901719 602744729 623529030 789803438 935293545 1184705157 1205489458 1808234187 1870587090 1974508595 2369410314 3013723645 3554115471 3616468374 3949017190 5424702561 5923525785 6027447290 7108230942 9041170935 10849405122 11452149851 11847051570 17479597141 17770577355 18082341870 22904299702 27123512805 34356449553 34959194282 35541154710 52438791423 54247025610 57260749255 68712899106 87397985705 103069348659 104877582846 114521498510 157316374269 171782247765 174795971410 206138697318 262193957115 314632748538 332112345679 343564495530 515346743295 524387914230 664224691358 786581871345 996337037037 1030693486590 1573163742690 1660561728395 1992674074074 2989011111111 3321123456790 4981685185185 5978022222222 9963370370370 14945055555555 29890111111110