Search a number
-
+
159430121 = 1910338123
BaseRepresentation
bin10011000000010…
…11010111101001
3102002222220000022
421200023113221
5311303230441
623453050225
73644063564
oct1140132751
9362886008
10159430121
1181aa3234
1245486975
1327051266
14172614db
15dee384b
hex980b5e9

159430121 has 8 divisors (see below), whose sum is σ = 168004320. Its totient is φ = 150874272.

The previous prime is 159430093. The next prime is 159430129. The reversal of 159430121 is 121034951.

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 159430121 - 210 = 159429097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159430129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15566 + ... + 23688.

It is an arithmetic number, because the mean of its divisors is an integer number (21000540).

Almost surely, 2159430121 is an apocalyptic number.

It is an amenable number.

159430121 is a deficient number, since it is larger than the sum of its proper divisors (8574199).

159430121 is a wasteful number, since it uses less digits than its factorization.

159430121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 159430121 is about 12626.5641011322. The cubic root of 159430121 is about 542.2382192435.

The spelling of 159430121 in words is "one hundred fifty-nine million, four hundred thirty thousand, one hundred twenty-one".

Divisors: 1 19 1033 8123 19627 154337 8391059 159430121