Search a number
-
+
51200636256312 = 2334745390634979
BaseRepresentation
bin10111010010001000100111…
…01111001000000000111000
320201021201210101002112200220
423221010103233020000320
523202332400340200222
6300521125251100040
713533060332256624
oct1351042357100070
9221251711075626
1051200636256312
1115350082406a44
1258ab0395a1620
132275278a8c0ba
14c901a4436184
155dbca562ab5c
hex2e9113bc8038

51200636256312 has 32 divisors (see below), whose sum is σ = 130725028742400. Its totient is φ = 16703753671904.

The previous prime is 51200636256227. The next prime is 51200636256323. The reversal of 51200636256312 is 21365263600215.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22695316362 + ... + 22695318617.

It is an arithmetic number, because the mean of its divisors is an integer number (4085157148200).

Almost surely, 251200636256312 is an apocalyptic number.

It is an amenable number.

51200636256312 is an abundant number, since it is smaller than the sum of its proper divisors (79524392486088).

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

51200636256312 is a wasteful number, since it uses less digits than its factorization.

51200636256312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45390635035 (or 45390635031 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

Adding to 51200636256312 its reverse (21365263600215), we get a palindrome (72565899856527).

The spelling of 51200636256312 in words is "fifty-one trillion, two hundred billion, six hundred thirty-six million, two hundred fifty-six thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 47 94 141 188 282 376 564 1128 45390634979 90781269958 136171904937 181562539916 272343809874 363125079832 544687619748 1089375239496 2133359844013 4266719688026 6400079532039 8533439376052 12800159064078 17066878752104 25600318128156 51200636256312