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131440444034553 = 3214604493781617
BaseRepresentation
bin11101111000101101011100…
…111110011100110111111001
3122020101120202112120220122100
4131320231130332130313321
5114212010012133101203
61143314523440414013
736454154510034633
oct3570553476346771
9566346675526570
10131440444034553
1138976641015265
12128aa056917309
135845a1c22cc44
142465a73d1da53
15102e1031a0ea3
hex778b5cf9cdf9

131440444034553 has 6 divisors (see below), whose sum is σ = 189858419161034. Its totient is φ = 87626962689696.

The previous prime is 131440444034441. The next prime is 131440444034569. The reversal of 131440444034553 is 355430444044131.

131440444034553 is a `hidden beast` number, since 1 + 3 + 14 + 4 + 0 + 44 + 40 + 3 + 4 + 553 = 666.

It can be written as a sum of positive squares in only one way, i.e., 105115048068969 + 26325395965584 = 10252563^2 + 5130828^2 .

It is not a de Polignac number, because 131440444034553 - 216 = 131440443969017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131440444034499 and 131440444034508.

It is not an unprimeable number, because it can be changed into a prime (131440444034353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7302246890800 + ... + 7302246890817.

Almost surely, 2131440444034553 is an apocalyptic number.

It is an amenable number.

131440444034553 is a deficient number, since it is larger than the sum of its proper divisors (58417975126481).

131440444034553 is a wasteful number, since it uses less digits than its factorization.

131440444034553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14604493781623 (or 14604493781620 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 45.

Adding to 131440444034553 its reverse (355430444044131), we get a palindrome (486870888078684).

The spelling of 131440444034553 in words is "one hundred thirty-one trillion, four hundred forty billion, four hundred forty-four million, thirty-four thousand, five hundred fifty-three".

Divisors: 1 3 9 14604493781617 43813481344851 131440444034553