Search a number
-
+
16958483489 = 73232307993
BaseRepresentation
bin11111100101100110…
…11110110000100001
31121202212101012222002
433302303132300201
5234212332432424
611442435053345
71140150505553
oct176263366041
947685335862
1016958483489
117212692712
123353441255
1317a351851c
14b6c3934d3
15693c25cae
hex3f2cdec21

16958483489 has 4 divisors (see below), whose sum is σ = 17190791556. Its totient is φ = 16726175424.

The previous prime is 16958483447. The next prime is 16958483527. The reversal of 16958483489 is 98438485961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98438485961 = 313175435031.

It can be written as a sum of positive squares in 2 ways, for example, as 9442980625 + 7515502864 = 97175^2 + 86692^2 .

It is a cyclic number.

It is not a de Polignac number, because 16958483489 - 220 = 16957434913 is a prime.

It is a super-2 number, since 2×169584834892 (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 (16958383489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116153924 + ... + 116154069.

It is an arithmetic number, because the mean of its divisors is an integer number (4297697889).

Almost surely, 216958483489 is an apocalyptic number.

It is an amenable number.

16958483489 is a deficient number, since it is larger than the sum of its proper divisors (232308067).

16958483489 is an equidigital number, since it uses as much as digits as its factorization.

16958483489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232308066.

The product of its digits is 59719680, while the sum is 65.

The spelling of 16958483489 in words is "sixteen billion, nine hundred fifty-eight million, four hundred eighty-three thousand, four hundred eighty-nine".

Divisors: 1 73 232307993 16958483489