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131404353145242 = 23187911655521833
BaseRepresentation
bin11101111000001011110101…
…110010101000100110011010
3122020021010121022012202220020
4131320023311302220212122
5114210412103401121432
61143250154303411310
736451436240402202
oct3570136562504632
9566233538182806
10131404353145242
1138962300711a11
12128a3063bb3b36
1358424b9cc8438
14246400c9a7402
15102d1de98922c
hex7782f5ca899a

131404353145242 has 16 divisors (see below), whose sum is σ = 262948572575040. Its totient is φ = 43778140000992.

The previous prime is 131404353145193. The next prime is 131404353145319. The reversal of 131404353145242 is 242541353404131.

It is a junction number, because it is equal to n+sod(n) for n = 131404353145194 and 131404353145203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5827749643 + ... + 5827772190.

It is an arithmetic number, because the mean of its divisors is an integer number (16434285785940).

Almost surely, 2131404353145242 is an apocalyptic number.

131404353145242 is an abundant number, since it is smaller than the sum of its proper divisors (131544219429798).

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

131404353145242 is a wasteful number, since it uses less digits than its factorization.

131404353145242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11655523717.

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 131404353145242 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred fifty-three million, one hundred forty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 1879 3758 5637 11274 11655521833 23311043666 34966565499 69933130998 21900725524207 43801451048414 65702176572621 131404353145242