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131205010011122 = 2546630112001261
BaseRepresentation
bin11101110101010010001100…
…000000111011001111110010
3122012120002001201221022222202
4131311102030000323033302
5114144130330030323442
61143014425520303202
736431151313616105
oct3565221400731762
9565502051838882
10131205010011122
1138895806709883
12128704b0471b02
13582976bac53c8
1424584dbc3273c
151027e24016c32
hex77548c03b3f2

131205010011122 has 8 divisors (see below), whose sum is σ = 196807567419372. Its totient is φ = 65602487538000.

The previous prime is 131205010011041. The next prime is 131205010011143. The reversal of 131205010011122 is 221110010502131.

It can be written as a sum of positive squares in 2 ways, for example, as 127001202009361 + 4203808001761 = 11269481^2 + 2050319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131205010011094 and 131205010011103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4931972 + ... + 16933232.

Almost surely, 2131205010011122 is an apocalyptic number.

131205010011122 is a deficient number, since it is larger than the sum of its proper divisors (65602557408250).

131205010011122 is a wasteful number, since it uses less digits than its factorization.

131205010011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17467564.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 131205010011122 its reverse (221110010502131), we get a palindrome (352315020513253).

The spelling of 131205010011122 in words is "one hundred thirty-one trillion, two hundred five billion, ten million, eleven thousand, one hundred twenty-two".

Divisors: 1 2 5466301 10932602 12001261 24002522 65602505005561 131205010011122