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14031200421 = 327237859913
BaseRepresentation
bin11010001000101001…
…10010000010100101
31100012212011211111200
431010110302002211
5212213441403141
610240145153113
71004464143600
oct150424620245
940185154450
1014031200421
115a50279607
12287702b799
131427c14374
149716b9337
15571c47ab6
hex3445320a5

14031200421 has 36 divisors (see below), whose sum is σ = 24213458412. Its totient is φ = 7801121664.

The previous prime is 14031200387. The next prime is 14031200429. The reversal of 14031200421 is 12400213041.

14031200421 is a `hidden beast` number, since 1 + 40 + 3 + 1 + 200 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6468984900 + 7562215521 = 80430^2 + 86961^2 .

It is not a de Polignac number, because 14031200421 - 213 = 14031192229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14031200394 and 14031200403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14031200429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 413640 + ... + 446273.

It is an arithmetic number, because the mean of its divisors is an integer number (672596067).

Almost surely, 214031200421 is an apocalyptic number.

It is an amenable number.

14031200421 is a deficient number, since it is larger than the sum of its proper divisors (10182257991).

14031200421 is a wasteful number, since it uses less digits than its factorization.

14031200421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859970 (or 859960 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 14031200421 its reverse (12400213041), we get a palindrome (26431413462).

The spelling of 14031200421 in words is "fourteen billion, thirty-one million, two hundred thousand, four hundred twenty-one".

Divisors: 1 3 7 9 21 37 49 63 111 147 259 333 441 777 1813 2331 5439 16317 859913 2579739 6019391 7739217 18058173 31816781 42135737 54174519 95450343 126407211 222717467 286351029 379221633 668152401 1559022269 2004457203 4677066807 14031200421