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30741663534720 = 273519980458709
BaseRepresentation
bin1101111110101100110011…
…11011110100111010000000
311000211212121101111000100120
412333112121323310322000
513012132411331102340
6145214305242420240
76322004036412045
oct677263173647200
9130755541430316
1030741663534720
1198825146a4a76
123545b34b01680
13141cc074ab2c8
14783c93b711cc
153849db9174d0
hex1bf599ef4e80

30741663534720 has 128 divisors (see below), whose sum is σ = 98481461040000. Its totient is φ = 8156581982208.

The previous prime is 30741663534713. The next prime is 30741663534727. The reversal of 30741663534720 is 2743536614703.

It is an interprime number because it is at equal distance from previous prime (30741663534713) and next prime (30741663534727).

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (30741663534727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39847275 + ... + 40611434.

It is an arithmetic number, because the mean of its divisors is an integer number (769386414375).

Almost surely, 230741663534720 is an apocalyptic number.

30741663534720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30741663534720 is an abundant number, since it is smaller than the sum of its proper divisors (67739797505280).

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

30741663534720 is a wasteful number, since it uses less digits than its factorization.

30741663534720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80458930 (or 80458918 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 51.

The spelling of 30741663534720 in words is "thirty trillion, seven hundred forty-one billion, six hundred sixty-three million, five hundred thirty-four thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 199 240 320 384 398 480 597 640 796 960 995 1194 1592 1920 1990 2388 2985 3184 3980 4776 5970 6368 7960 9552 11940 12736 15920 19104 23880 25472 31840 38208 47760 63680 76416 95520 127360 191040 382080 80458709 160917418 241376127 321834836 402293545 482752254 643669672 804587090 965504508 1206880635 1287339344 1609174180 1931009016 2413761270 2574678688 3218348360 3862018032 4827522540 5149357376 6436696720 7724036064 9655045080 10298714752 12873393440 15448072128 16011283091 19310090160 25746786880 30896144256 32022566182 38620180320 48033849273 51493573760 64045132364 77240360640 80056415455 96067698546 128090264728 154480721280 160112830910 192135397092 240169246365 256180529456 320225661820 384270794184 480338492730 512361058912 640451323640 768541588368 960676985460 1024722117824 1280902647280 1537083176736 1921353970920 2049444235648 2561805294560 3074166353472 3842707941840 5123610589120 6148332706944 7685415883680 10247221178240 15370831767360 30741663534720