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131404424344530 = 23557725932927591
BaseRepresentation
bin11101111000001011111010…
…000010001111001111010010
3122020021010210021012001221220
4131320023322002033033102
5114210412230113011110
61143250205325425510
736451441063522251
oct3570137202171722
9566233707161856
10131404424344530
1138962337921aa7
12128a3083a0b296
1358424cb996aac
14246401821c798
15102d1e5d50370
hex7782fa08f3d2

131404424344530 has 64 divisors (see below), whose sum is σ = 316039130535168. Its totient is φ = 34966947594240.

The previous prime is 131404424344519. The next prime is 131404424344553. The reversal of 131404424344530 is 35443424404131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43421035 + ... + 46348625.

It is an arithmetic number, because the mean of its divisors is an integer number (4938111414612).

Almost surely, 2131404424344530 is an apocalyptic number.

131404424344530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131404424344530 is an abundant number, since it is smaller than the sum of its proper divisors (184634706190638).

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

131404424344530 is a wasteful number, since it uses less digits than its factorization.

131404424344530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930771.

The product of its (nonzero) digits is 1105920, while the sum is 42.

Adding to 131404424344530 its reverse (35443424404131), we get a palindrome (166847848748661).

The spelling of 131404424344530 in words is "one hundred thirty-one trillion, four hundred four billion, four hundred twenty-four million, three hundred forty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 577 1154 1731 2593 2885 3462 5186 5770 7779 8655 12965 15558 17310 25930 38895 77790 1496161 2927591 2992322 4488483 5855182 7480805 8782773 8976966 14637955 14961610 17565546 22442415 29275910 43913865 44884830 87827730 1689220007 3378440014 5067660021 7591243463 8446100035 10135320042 15182486926 16892200070 22773730389 25338300105 37956217315 45547460778 50676600210 75912434630 113868651945 227737303890 4380147478151 8760294956302 13140442434453 21900737390755 26280884868906 43801474781510 65702212172265 131404424344530