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1311114431446 = 26311038917933
BaseRepresentation
bin10011000101000100100…
…000101000101111010110
311122100012211010001220021
4103011010200220233112
5132440130243301241
62442152340255354
7163503431533531
oct23050440505726
94570184101807
101311114431446
11466049a09026
121921296a155a
13968399491b1
144765b725a18
1524189a6a0d1
hex13144828bd6

1311114431446 has 8 divisors (see below), whose sum is σ = 1969788402864. Its totient is φ = 654518297160.

The previous prime is 1311114431443. The next prime is 1311114431479. The reversal of 1311114431446 is 6441344111131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×13111144314463 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311114431443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519457705 + ... + 519460228.

It is an arithmetic number, because the mean of its divisors is an integer number (246223550358).

Almost surely, 21311114431446 is an apocalyptic number.

1311114431446 is a deficient number, since it is larger than the sum of its proper divisors (658673971418).

1311114431446 is a wasteful number, since it uses less digits than its factorization.

1311114431446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038918566.

The product of its digits is 13824, while the sum is 34.

Adding to 1311114431446 its reverse (6441344111131), we get a palindrome (7752458542577).

The spelling of 1311114431446 in words is "one trillion, three hundred eleven billion, one hundred fourteen million, four hundred thirty-one thousand, four hundred forty-six".

Divisors: 1 2 631 1262 1038917933 2077835866 655557215723 1311114431446