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1442031231404 = 222912431303719
BaseRepresentation
bin10100111110111111110…
…000100110000110101100
312002212010122011120122002
4110332333300212012230
5142111234443401104
63022243205511432
7206116610140211
oct24767760460654
95085118146562
101442031231404
11506620044575
121b3585412578
13a5ca174a0ba
144db1a881b08
152779d12801e
hex14fbfc261ac

1442031231404 has 12 divisors (see below), whose sum is σ = 2610573781200. Its totient is φ = 696153008208.

The previous prime is 1442031231391. The next prime is 1442031231493. The reversal of 1442031231404 is 4041321302441.

It is a super-2 number, since 2×14420312314042 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6215651744 + ... + 6215651975.

It is an arithmetic number, because the mean of its divisors is an integer number (217547815100).

Almost surely, 21442031231404 is an apocalyptic number.

It is an amenable number.

1442031231404 is a deficient number, since it is larger than the sum of its proper divisors (1168542549796).

1442031231404 is a wasteful number, since it uses less digits than its factorization.

1442031231404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431303752 (or 12431303750 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1442031231404 its reverse (4041321302441), we get a palindrome (5483352533845).

The spelling of 1442031231404 in words is "one trillion, four hundred forty-two billion, thirty-one million, two hundred thirty-one thousand, four hundred four".

Divisors: 1 2 4 29 58 116 12431303719 24862607438 49725214876 360507807851 721015615702 1442031231404