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51204230513100 = 22325278127655637
BaseRepresentation
bin10111010010001111010011…
…11110001000000111001100
320201022002001212022201002200
423221013221332020013030
523202412231002404400
6300522522044321500
713533245365041450
oct1351075176100714
9221262055281080
1051204230513100
11153516572622a5
1258ab881243290
1322756cc60b072
14c9042592c660
155dbe15e55b00
hex2e91e9f881cc

51204230513100 has 108 divisors (see below), whose sum is σ = 183424932438384. Its totient is φ = 11703824115840.

The previous prime is 51204230513099. The next prime is 51204230513119. The reversal of 51204230513100 is 131503240215.

51204230513100 is a `hidden beast` number, since 5 + 1 + 2 + 0 + 42 + 3 + 0 + 513 + 100 = 666.

51204230513100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×512042305131004 (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4063821519 + ... + 4063834118.

Almost surely, 251204230513100 is an apocalyptic number.

51204230513100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51204230513100 is an abundant number, since it is smaller than the sum of its proper divisors (132220701925284).

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

51204230513100 is a wasteful number, since it uses less digits than its factorization.

51204230513100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8127655664 (or 8127655654 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 51204230513100 its reverse (131503240215), we get a palindrome (51335733753315).

The spelling of 51204230513100 in words is "fifty-one trillion, two hundred four billion, two hundred thirty million, five hundred thirteen thousand, one hundred".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 25 28 30 35 36 42 45 50 60 63 70 75 84 90 100 105 126 140 150 175 180 210 225 252 300 315 350 420 450 525 630 700 900 1050 1260 1575 2100 3150 6300 8127655637 16255311274 24382966911 32510622548 40638278185 48765933822 56893589459 73148900733 81276556370 97531867644 113787178918 121914834555 146297801466 162553112740 170680768377 203191390925 227574357836 243829669110 284467947295 292595602932 341361536754 365744503665 406382781850 487659338220 512042305131 568935894590 609574172775 682723073508 731489007330 812765563700 853403841885 1024084610262 1137871789180 1219148345550 1422339736475 1462978014660 1706807683770 1828722518325 2048169220524 2438296691100 2560211525655 2844679472950 3413615367540 3657445036650 4267019209425 5120423051310 5689358945900 7314890073300 8534038418850 10240846102620 12801057628275 17068076837700 25602115256550 51204230513100