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131012200344404 = 22173349542475613
BaseRepresentation
bin11101110010011110100111…
…101010011010101101010100
3122011212122101111112102110102
4131302132213222122231110
5114133000441242010104
61142350101324113232
736411214312524641
oct3562364752325524
9564778344472412
10131012200344404
1138820a64682485
121283b060995818
135814522360512
14244d04aa94dc8
151022ddbe56a1e
hex7727a7a9ab54

131012200344404 has 24 divisors (see below), whose sum is σ = 231257354248200. Its totient is φ = 64940840463744.

The previous prime is 131012200344397. The next prime is 131012200344449. The reversal of 131012200344404 is 404443002210131.

It can be written as a sum of positive squares in 4 ways, for example, as 45616488984004 + 85395711360400 = 6753998^2 + 9240980^2 .

It is a congruent number.

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, 270996299 + ... + 271479314.

It is an arithmetic number, because the mean of its divisors is an integer number (9635723093675).

Almost surely, 2131012200344404 is an apocalyptic number.

It is an amenable number.

131012200344404 is a deficient number, since it is larger than the sum of its proper divisors (100245153903796).

131012200344404 is a wasteful number, since it uses less digits than its factorization.

131012200344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542476139 (or 542476137 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 131012200344404 its reverse (404443002210131), we get a palindrome (535455202554535).

The spelling of 131012200344404 in words is "one hundred thirty-one trillion, twelve billion, two hundred million, three hundred forty-four thousand, four hundred four".

Divisors: 1 2 4 173 346 349 692 698 1396 60377 120754 241508 542475613 1084951226 2169902452 93848281049 187696562098 189323988937 375393124196 378647977874 757295955748 32753050086101 65506100172202 131012200344404