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1412344330421 = 8078917481889
BaseRepresentation
bin10100100011010110010…
…010000011100010110101
312000000111201000202100212
4110203112102003202311
5141114440122033141
63000453320315205
7204016131505403
oct24432622034265
95000451022325
101412344330421
114a4a76611462
121a987b312b05
13a32501bb0bb
144c501c5a473
1526b11c492eb
hex148d64838b5

1412344330421 has 4 divisors (see below), whose sum is σ = 1412361893100. Its totient is φ = 1412326767744.

The previous prime is 1412344330417. The next prime is 1412344330427. The reversal of 1412344330421 is 1240334432141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 533177436100 + 879166894321 = 730190^2 + 937639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1412344330421 - 22 = 1412344330417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1412344330427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8660156 + ... + 8821733.

It is an arithmetic number, because the mean of its divisors is an integer number (353090473275).

Almost surely, 21412344330421 is an apocalyptic number.

It is an amenable number.

1412344330421 is a deficient number, since it is larger than the sum of its proper divisors (17562679).

1412344330421 is an equidigital number, since it uses as much as digits as its factorization.

1412344330421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17562678.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1412344330421 its reverse (1240334432141), we get a palindrome (2652678762562).

The spelling of 1412344330421 in words is "one trillion, four hundred twelve billion, three hundred forty-four million, three hundred thirty thousand, four hundred twenty-one".

Divisors: 1 80789 17481889 1412344330421