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14240988561 = 34746996187
BaseRepresentation
bin11010100001101010…
…00011110110010001
31100202110221011201210
431100311003312101
5213131143113221
610313041450333
71012622256042
oct152065036621
940673834653
1014240988561
116048737538
1229153409a9
13145c517967
149914c88c9
15585387276
hex350d43d91

14240988561 has 4 divisors (see below), whose sum is σ = 18987984752. Its totient is φ = 9493992372.

The previous prime is 14240988551. The next prime is 14240988589. The reversal of 14240988561 is 16588904241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14240988561 - 221 = 14238891409 is a prime.

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 14240988561.

It is not an unprimeable number, because it can be changed into a prime (14240988551) 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, 2373498091 + ... + 2373498096.

It is an arithmetic number, because the mean of its divisors is an integer number (4746996188).

Almost surely, 214240988561 is an apocalyptic number.

It is an amenable number.

14240988561 is a deficient number, since it is larger than the sum of its proper divisors (4746996191).

14240988561 is an equidigital number, since it uses as much as digits as its factorization.

14240988561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4746996190.

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 14240988561 in words is "fourteen billion, two hundred forty million, nine hundred eighty-eight thousand, five hundred sixty-one".

Divisors: 1 3 4746996187 14240988561