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1312244403423 = 31973331407683
BaseRepresentation
bin10011000110000111110…
…111001000110011011111
311122110010120100121001020
4103012013313020303133
5132444434031402143
62442500423415223
7163543432250502
oct23060767106337
94573116317036
101312244403423
11466579834768
121923a3bb4513
1396989a92175
1447727827139
1524203d71883
hex13187dc8cdf

1312244403423 has 16 divisors (see below), whose sum is σ = 1844259204480. Its totient is φ = 827655236064.

The previous prime is 1312244403367. The next prime is 1312244403467. The reversal of 1312244403423 is 3243044422131.

It is not a de Polignac number, because 1312244403423 - 26 = 1312244403359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312244403023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15662061 + ... + 15745622.

It is an arithmetic number, because the mean of its divisors is an integer number (115266200280).

Almost surely, 21312244403423 is an apocalyptic number.

1312244403423 is a deficient number, since it is larger than the sum of its proper divisors (532014801057).

1312244403423 is a wasteful number, since it uses less digits than its factorization.

1312244403423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31408438.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1312244403423 its reverse (3243044422131), we get a palindrome (4555288825554).

The spelling of 1312244403423 in words is "one trillion, three hundred twelve billion, two hundred forty-four million, four hundred three thousand, four hundred twenty-three".

Divisors: 1 3 19 57 733 2199 13927 41781 31407683 94223049 596745977 1790237931 23021831639 69065494917 437414801141 1312244403423