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14043421531 = 191734272413
BaseRepresentation
bin11010001010000110…
…11001101101011011
31100020201011201201101
431011003121231123
5212230103442111
610241303132231
71005003053626
oct150503315533
940221151641
1014043421531
115a571664a7
12287b144077
13142a602ba9
1497317adbd
15572d5dbc1
hex3450d9b5b

14043421531 has 8 divisors (see below), whose sum is σ = 14868000720. Its totient is φ = 13227387552.

The previous prime is 14043421519. The next prime is 14043421537. The reversal of 14043421531 is 13512434041.

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 14043421531 - 221 = 14041324379 is a prime.

It is a super-3 number, since 3×140434215313 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14043421531.

It is not an unprimeable number, because it can be changed into a prime (14043421537) 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, 2132920 + ... + 2139493.

It is an arithmetic number, because the mean of its divisors is an integer number (1858500090).

Almost surely, 214043421531 is an apocalyptic number.

14043421531 is a deficient number, since it is larger than the sum of its proper divisors (824579189).

14043421531 is a wasteful number, since it uses less digits than its factorization.

14043421531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272605.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 14043421531 its reverse (13512434041), we get a palindrome (27555855572).

The spelling of 14043421531 in words is "fourteen billion, forty-three million, four hundred twenty-one thousand, five hundred thirty-one".

Divisors: 1 19 173 3287 4272413 81175847 739127449 14043421531