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14021403231 = 311424891007
BaseRepresentation
bin11010000111011110…
…11010001001011111
31100012011202002021210
431003233122021133
5212203434400411
610235155155503
71004314650423
oct150357321137
940164662253
1014021403231
115a45797860
1228738a5b93
131425b93c04
14970288b83
15570e5eca6
hex343bda25f

14021403231 has 8 divisors (see below), whose sum is σ = 20394768384. Its totient is φ = 8497820120.

The previous prime is 14021403211. The next prime is 14021403239. The reversal of 14021403231 is 13230412041.

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

It is a cyclic number.

It is not a de Polignac number, because 14021403231 - 27 = 14021403103 is a prime.

It is a super-2 number, since 2×140214032312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14021403198 and 14021403207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14021403239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212445471 + ... + 212445536.

It is an arithmetic number, because the mean of its divisors is an integer number (2549346048).

Almost surely, 214021403231 is an apocalyptic number.

14021403231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14021403231 is a deficient number, since it is larger than the sum of its proper divisors (6373365153).

14021403231 is a wasteful number, since it uses less digits than its factorization.

14021403231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424891021.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 14021403231 its reverse (13230412041), we get a palindrome (27251815272).

The spelling of 14021403231 in words is "fourteen billion, twenty-one million, four hundred three thousand, two hundred thirty-one".

Divisors: 1 3 11 33 424891007 1274673021 4673801077 14021403231