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131424305044 = 22611972734133
BaseRepresentation
bin111101001100101111…
…1111011111110010100
3110120020012000102211111
41322121133323332110
54123124110230134
6140213034544404
712331550106124
oct1723137737624
9416205012744
10131424305044
115081165963a
1221579898104
13c515cb3096
14650a706c84
153642e09c64
hex1e997fbf94

131424305044 has 24 divisors (see below), whose sum is σ = 234949602888. Its totient is φ = 64306784640.

The previous prime is 131424305029. The next prime is 131424305063. The reversal of 131424305044 is 440503424131.

It can be written as a sum of positive squares in 4 ways, for example, as 2615095044 + 128809210000 = 51138^2 + 358900^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131424304997 and 131424305015.

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, 1318999 + ... + 1415134.

It is an arithmetic number, because the mean of its divisors is an integer number (9789566787).

Almost surely, 2131424305044 is an apocalyptic number.

It is an amenable number.

131424305044 is a deficient number, since it is larger than the sum of its proper divisors (103525297844).

131424305044 is a wasteful number, since it uses less digits than its factorization.

131424305044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734395 (or 2734393 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 131424305044 its reverse (440503424131), we get a palindrome (571927729175).

The spelling of 131424305044 in words is "one hundred thirty-one billion, four hundred twenty-four million, three hundred five thousand, forty-four".

Divisors: 1 2 4 61 122 197 244 394 788 12017 24034 48068 2734133 5468266 10936532 166782113 333564226 538624201 667128452 1077248402 2154496804 32856076261 65712152522 131424305044