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312403113020441 = 19231395143030687
BaseRepresentation
bin100011100001000010000010…
…0100101000000110000011001
31111222010110001002021212212202
41013002010010211000300121
5311421403033413123231
63024232001525215545
7122542244240601002
oct10702040445006031
91458113032255782
10312403113020441
11905a5463a70a93
122b0559965615b5
1310541644369361
145720569c001a9
15261b4c65e45cb
hex11c2104940c19

312403113020441 has 16 divisors (see below), whose sum is σ = 345611662233600. Its totient is φ = 281056340928528.

The previous prime is 312403113020267. The next prime is 312403113020459. The reversal of 312403113020441 is 144020311304213.

It is a de Polignac number, because none of the positive numbers 2k-312403113020441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312403113025441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2571454601 + ... + 2571576086.

It is an arithmetic number, because the mean of its divisors is an integer number (21600728889600).

Almost surely, 2312403113020441 is an apocalyptic number.

It is an amenable number.

312403113020441 is a deficient number, since it is larger than the sum of its proper divisors (33208549213159).

312403113020441 is a wasteful number, since it uses less digits than its factorization.

312403113020441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143030868.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 312403113020441 its reverse (144020311304213), we get a palindrome (456423424324654).

The spelling of 312403113020441 in words is "three hundred twelve trillion, four hundred three billion, one hundred thirteen million, twenty thousand, four hundred forty-one".

Divisors: 1 19 23 139 437 2641 3197 60743 5143030687 97717583053 118289705801 714881265493 2247504410219 13582744044367 16442269106339 312403113020441