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51228845740370 = 25431993173834931
BaseRepresentation
bin10111010010111101001010…
…01001110001000101010010
320201101102121100012210221202
423221132211021301011102
523203313134002142440
6300542112402151202
713535106361031444
oct1351364511610522
9221342540183852
1051228845740370
1115361038983931
1258b45b0952502
132277b23204bbc
14c916bcb56494
155dc8a6e71615
hex2e97a5271152

51228845740370 has 128 divisors (see below), whose sum is σ = 95397411225600. Its totient is φ = 19795744362240.

The previous prime is 51228845740339. The next prime is 51228845740399. The reversal of 51228845740370 is 7304754882215.

It is a happy number.

It is a super-3 number, since 3×512288457403703 (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10389136805 + ... + 10389141735.

It is an arithmetic number, because the mean of its divisors is an integer number (745292275200).

Almost surely, 251228845740370 is an apocalyptic number.

51228845740370 is a deficient number, since it is larger than the sum of its proper divisors (44168565485230).

51228845740370 is a wasteful number, since it uses less digits than its factorization.

51228845740370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880.

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 51228845740370 in words is "fifty-one trillion, two hundred twenty-eight billion, eight hundred forty-five million, seven hundred forty thousand, three hundred seventy".

Divisors: 1 2 5 10 43 86 199 215 317 383 398 430 634 766 995 1585 1915 1990 3170 3830 4931 8557 9862 13631 16469 17114 24655 27262 32938 42785 49310 63083 68155 76217 82345 85570 121411 126166 136310 152434 164690 212033 242822 315415 381085 424066 607055 630830 762170 981269 1060165 1214110 1563127 1888573 1962538 2120330 2712569 3126254 3277331 3777146 4906345 5220673 5425138 6554662 7815635 9442865 9812690 10441346 13562845 15631270 16386655 18885730 24160789 26103365 27125690 32773310 42194567 48321578 52206730 67214461 81208639 84389134 120803945 134428922 162417278 210972835 241607890 311062273 336072305 375826027 406043195 421945670 598677641 622124546 672144610 751652054 812086390 1038913927 1197355282 1555311365 1879130135 2077827854 2993388205 3110622730 3758260270 5194569635 5986776410 10389139270 13375677739 16160519161 25743138563 26751355478 32321038322 51486277126 66878388695 80802595805 119136850559 128715692815 133756777390 161605191610 238273701118 257431385630 595684252795 1191368505590 5122884574037 10245769148074 25614422870185 51228845740370