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131135245053252 = 223112211434271557
BaseRepresentation
bin11101110100010001001101…
…101100101110110101000100
3122012022101222200212021022020
4131310101031230232311010
5114142004440213201002
61142522411103203140
736423131422352346
oct3564211554566504
9565271880767266
10131135245053252
1138869166164400
121285aa802a64b0
13582300128404b
142454da0521296
1510261de3832bc
hex77444db2ed44

131135245053252 has 72 divisors (see below), whose sum is σ = 336343570438848. Its totient is φ = 39736064258880.

The previous prime is 131135245053209. The next prime is 131135245053341. The reversal of 131135245053252 is 252350542531131.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28563858 + ... + 32835414.

Almost surely, 2131135245053252 is an apocalyptic number.

131135245053252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131135245053252 is an abundant number, since it is smaller than the sum of its proper divisors (205208325385596).

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

131135245053252 is a wasteful number, since it uses less digits than its factorization.

131135245053252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292729 (or 4292716 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 131135245053252 its reverse (252350542531131), we get a palindrome (383485787584383).

The spelling of 131135245053252 in words is "one hundred thirty-one trillion, one hundred thirty-five billion, two hundred forty-five million, fifty-three thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 484 726 1452 21143 42286 63429 84572 126858 232573 253716 465146 697719 930292 1395438 2558303 2790876 4271557 5116606 7674909 8543114 10233212 12814671 15349818 17086228 25629342 30699636 46987127 51258684 93974254 140961381 187948508 281922762 516858397 563845524 1033716794 1550575191 2067433588 3101150382 6202300764 90313529651 180627059302 270940588953 361254118604 541881177906 993448826161 1083762355812 1986897652322 2980346478483 3973795304644 5960692956966 10927937087771 11921385913932 21855874175542 32783811263313 43711748351084 65567622526626 131135245053252