Search a number
-
+
14540230513 = 41491350443
BaseRepresentation
bin11011000101010101…
…00100111101110001
31101112100000020112001
431202222210331301
5214234244334023
610402451334001
71023214630414
oct154252447561
941470006461
1014540230513
116191643436
1229995b1301
1314a950b6c3
149bd141b7b
155a17966ad
hex362aa4f71

14540230513 has 4 divisors (see below), whose sum is σ = 14540622448. Its totient is φ = 14539838580.

The previous prime is 14540230487. The next prime is 14540230519. The reversal of 14540230513 is 31503204541.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31503204541 = 257912215279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14540230513 is a prime.

It is a super-2 number, since 2×145402305132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14540230519) 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, 133731 + ... + 216712.

It is an arithmetic number, because the mean of its divisors is an integer number (3635155612).

Almost surely, 214540230513 is an apocalyptic number.

It is an amenable number.

14540230513 is a deficient number, since it is larger than the sum of its proper divisors (391935).

14540230513 is an equidigital number, since it uses as much as digits as its factorization.

14540230513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391934.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 14540230513 in words is "fourteen billion, five hundred forty million, two hundred thirty thousand, five hundred thirteen".

Divisors: 1 41491 350443 14540230513