Search a number
-
+
14457715561 = 24172138317
BaseRepresentation
bin11010111011011111…
…10011101101101001
31101022120202001021201
431131233303231221
5214102133344221
610350343004201
71021163361142
oct153557635551
941276661251
1014457715561
11614a004763
122975a39661
1314953aa6a3
149b21c2ac9
155993e7891
hex35dbf3b69

14457715561 has 8 divisors (see below), whose sum is σ = 14521464584. Its totient is φ = 14393998080.

The previous prime is 14457715537. The next prime is 14457715589. The reversal of 14457715561 is 16551775441.

It can be written as a sum of positive squares in 4 ways, for example, as 10636003161 + 3821712400 = 103131^2 + 61820^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14457715561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14457713561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1734175 + ... + 1742491.

It is an arithmetic number, because the mean of its divisors is an integer number (1815183073).

Almost surely, 214457715561 is an apocalyptic number.

It is an amenable number.

14457715561 is a deficient number, since it is larger than the sum of its proper divisors (63749023).

14457715561 is an equidigital number, since it uses as much as digits as its factorization.

14457715561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15771.

The product of its digits is 588000, while the sum is 46.

The spelling of 14457715561 in words is "fourteen billion, four hundred fifty-seven million, seven hundred fifteen thousand, five hundred sixty-one".

Divisors: 1 241 7213 8317 1738333 2004397 59990521 14457715561