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131120201541025 = 5217349988173227
BaseRepresentation
bin11101110100000011001101…
…000010010010010110100001
3122012020222011021211200001201
4131310003031002102112201
5114141233133043303100
61142511442232401201
736422056553536204
oct3564031502222641
9565228137750051
10131120201541025
1138862846522a74
1212857b82246201
135821774711918
14245437461193b
151025b0d82636a
hex7740cd0925a1

131120201541025 has 24 divisors (see below), whose sum is σ = 172202314284000. Its totient is φ = 98697582255360.

The previous prime is 131120201540971. The next prime is 131120201541101. The reversal of 131120201541025 is 520145102021131.

It is not a de Polignac number, because 131120201541025 - 29 = 131120201540513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131120201540984 and 131120201541002.

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, 42599539 + ... + 45573688.

It is an arithmetic number, because the mean of its divisors is an integer number (7175096428500).

Almost surely, 2131120201541025 is an apocalyptic number.

It is an amenable number.

131120201541025 is a deficient number, since it is larger than the sum of its proper divisors (41082112742975).

131120201541025 is a wasteful number, since it uses less digits than its factorization.

131120201541025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88176753 (or 88176748 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 131120201541025 its reverse (520145102021131), we get a palindrome (651265303562156).

The spelling of 131120201541025 in words is "one hundred thirty-one trillion, one hundred twenty billion, two hundred one million, five hundred forty-one thousand, twenty-five".

Divisors: 1 5 17 25 85 425 3499 17495 59483 87475 297415 1487075 88173227 440866135 1498944859 2204330675 7494724295 37473621475 308518121273 1542590606365 5244808061641 7712953031825 26224040308205 131120201541025