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131404103131244 = 2271964917038959
BaseRepresentation
bin11101111000001011100110…
…111000111010000001101100
3122020021002221212202202011112
4131320023212320322001230
5114210411100400144434
61143250113413011152
736451430113331336
oct3570134670720154
9566232855682145
10131404103131244
1138962192579779
12128a2bb4323ab8
13584247a27c568
142463dc76c6456
15102d1c7a50dce
hex7782e6e3a06c

131404103131244 has 24 divisors (see below), whose sum is σ = 230312518732800. Its totient is φ = 65600554535120.

The previous prime is 131404103131241. The next prime is 131404103131261. The reversal of 131404103131244 is 442131301404131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131404103131244.

It is not an unprimeable number, because it can be changed into a prime (131404103131241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15148637 + ... + 22187595.

It is an arithmetic number, because the mean of its divisors is an integer number (9596354947200).

Almost surely, 2131404103131244 is an apocalyptic number.

It is an amenable number.

131404103131244 is a deficient number, since it is larger than the sum of its proper divisors (98908415601556).

131404103131244 is a wasteful number, since it uses less digits than its factorization.

131404103131244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046173 (or 7046171 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 131404103131244 its reverse (442131301404131), we get a palindrome (573535404535375).

The spelling of 131404103131244 in words is "one hundred thirty-one trillion, four hundred four billion, one hundred three million, one hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 719 1438 2876 6491 12982 25964 4667029 7038959 9334058 14077918 18668116 28155836 5061011521 10122023042 20244046084 45689882869 91379765738 182759531476 32851025782811 65702051565622 131404103131244