Search a number
-
+
103330121 = 127813623
BaseRepresentation
bin1100010100010…
…11000101001001
321012102201021112
412022023011021
5202423030441
614130420105
72363201666
oct612130511
9235381245
10103330121
11533664a4
122a731635
131853b4ab
14da1aa6d
1591114eb
hex628b149

103330121 has 4 divisors (see below), whose sum is σ = 104143872. Its totient is φ = 102516372.

The previous prime is 103330093. The next prime is 103330187. The reversal of 103330121 is 121033301.

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: 121033301 = 839144259.

It is a cyclic number.

It is not a de Polignac number, because 103330121 - 26 = 103330057 is a prime.

It is a super-2 number, since 2×1033301212 = 21354227811749282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103330096 and 103330105.

It is not an unprimeable number, because it can be changed into a prime (103330621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406685 + ... + 406938.

It is an arithmetic number, because the mean of its divisors is an integer number (26035968).

Almost surely, 2103330121 is an apocalyptic number.

It is an amenable number.

103330121 is a deficient number, since it is larger than the sum of its proper divisors (813751).

103330121 is an equidigital number, since it uses as much as digits as its factorization.

103330121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813750.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 103330121 is about 10165.1424485838. The cubic root of 103330121 is about 469.2550761856.

Adding to 103330121 its reverse (121033301), we get a palindrome (224363422).

The spelling of 103330121 in words is "one hundred three million, three hundred thirty thousand, one hundred twenty-one".

Divisors: 1 127 813623 103330121