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51164042222524 = 22711727501145599
BaseRepresentation
bin10111010001000100011101…
…00011111101101110111100
320201011020100001222000111011
423220202032203331232330
523201232424302110044
6300452234142005004
713530323443152520
oct1350421643755674
9221136301860434
1051164042222524
1115336603a99810
1258a3b26276764
13227199654117a
14c8c4d2349d80
155dad62b79134
hex2e888e8fdbbc

51164042222524 has 96 divisors (see below), whose sum is σ = 111808946995200. Its totient is φ = 19902213777600.

The previous prime is 51164042222507. The next prime is 51164042222543. The reversal of 51164042222524 is 42522224046115.

It is a super-2 number, since 2×511640422225242 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1122020277 + ... + 1122065875.

It is an arithmetic number, because the mean of its divisors is an integer number (1164676531200).

Almost surely, 251164042222524 is an apocalyptic number.

It is an amenable number.

51164042222524 is an abundant number, since it is smaller than the sum of its proper divisors (60644904772676).

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

51164042222524 is a wasteful number, since it uses less digits than its factorization.

51164042222524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51359 (or 51357 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 51164042222524 its reverse (42522224046115), we get a palindrome (93686266268639).

The spelling of 51164042222524 in words is "fifty-one trillion, one hundred sixty-four billion, forty-two million, two hundred twenty-two thousand, five hundred twenty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 727 1454 2908 5011 5089 7997 10022 10178 15994 20044 20356 31988 35077 45599 55121 55979 70154 91198 110242 111958 140308 182396 220484 223916 319193 385847 501589 638386 771694 1003178 1276772 1543388 2006356 3511123 3642997 7022246 7285994 14044492 14571988 25500979 33150473 40072967 51001958 66300946 80145934 102003916 132601892 160291868 228496589 232053311 280510769 364655203 456993178 464106622 561021538 729310406 913986356 928213244 1122043076 1458620812 1599476123 2513462479 2552586421 3198952246 5026924958 5105172842 6397904492 10053849916 10210345684 17594237353 35188474706 70376949412 166117020203 332234040406 664468080812 1162819141421 1827287222233 2325638282842 3654574444466 4651276565684 7309148888932 12791010555631 25582021111262 51164042222524