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121304113 = 719912061
BaseRepresentation
bin1110011101011…
…11010000110001
322110020212221221
413032233100301
5222023212423
620011545041
73002032210
oct716572061
9273225857
10121304113
1162522637
123475b181
131c1926a8
1412179077
15a9b1e5d
hex73af431

121304113 has 8 divisors (see below), whose sum is σ = 145929920. Its totient is φ = 98502480.

The previous prime is 121304101. The next prime is 121304123. The reversal of 121304113 is 311403121.

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 121304113 - 29 = 121303601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121304123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455898 + ... + 456163.

It is an arithmetic number, because the mean of its divisors is an integer number (18241240).

Almost surely, 2121304113 is an apocalyptic number.

It is an amenable number.

121304113 is a deficient number, since it is larger than the sum of its proper divisors (24625807).

121304113 is an equidigital number, since it uses as much as digits as its factorization.

121304113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912087.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 121304113 is about 11013.8146434376. The cubic root of 121304113 is about 495.0227694182.

Adding to 121304113 its reverse (311403121), we get a palindrome (432707234).

The spelling of 121304113 in words is "one hundred twenty-one million, three hundred four thousand, one hundred thirteen".

Divisors: 1 7 19 133 912061 6384427 17329159 121304113