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131103233542005 = 3554116155666487
BaseRepresentation
bin11101110011110011011001…
…101010100000011101110101
3122012012100100202120000020120
4131303303121222200131311
5114140443410241321010
61142455554413322153
736420616226116254
oct3563633152403565
9565170322500216
10131103233542005
113885662953118a
1212854827796359
13581cc9c24420a
142453604ca279b
151025468d70e70
hex773cd9aa0775

131103233542005 has 16 divisors (see below), whose sum is σ = 210152909675904. Its totient is φ = 69792479219520.

The previous prime is 131103233541997. The next prime is 131103233542019. The reversal of 131103233542005 is 500245332301131.

It is not a de Polignac number, because 131103233542005 - 23 = 131103233541997 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8077825129 + ... + 8077841358.

It is an arithmetic number, because the mean of its divisors is an integer number (13134556854744).

Almost surely, 2131103233542005 is an apocalyptic number.

131103233542005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131103233542005 is a deficient number, since it is larger than the sum of its proper divisors (79049676133899).

131103233542005 is a wasteful number, since it uses less digits than its factorization.

131103233542005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155667036.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 131103233542005 its reverse (500245332301131), we get a palindrome (631348565843136).

The spelling of 131103233542005 in words is "one hundred thirty-one trillion, one hundred three billion, two hundred thirty-three million, five hundred forty-two thousand, five".

Divisors: 1 3 5 15 541 1623 2705 8115 16155666487 48466999461 80778332435 242334997305 8740215569467 26220646708401 43701077847335 131103233542005