Search a number
-
+
113120243 = 1933117987
BaseRepresentation
bin1101011111000…
…01001111110011
321212212002210122
412233201033303
5212424321433
615120320455
72542335425
oct657411763
9255762718
10113120243
1158942a05
1231a7312b
131a588672
1411048815
159de7198
hex6be13f3

113120243 has 8 divisors (see below), whose sum is σ = 119440320. Its totient is φ = 106836840.

The previous prime is 113120237. The next prime is 113120257. The reversal of 113120243 is 342021311.

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 113120243 - 28 = 113119987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113120263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2705 + ... + 15282.

It is an arithmetic number, because the mean of its divisors is an integer number (14930040).

Almost surely, 2113120243 is an apocalyptic number.

113120243 is a deficient number, since it is larger than the sum of its proper divisors (6320077).

113120243 is a wasteful number, since it uses less digits than its factorization.

113120243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18337.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 113120243 is about 10635.8000639350. The cubic root of 113120243 is about 483.6302343355.

Adding to 113120243 its reverse (342021311), we get a palindrome (455141554).

The spelling of 113120243 in words is "one hundred thirteen million, one hundred twenty thousand, two hundred forty-three".

Divisors: 1 19 331 6289 17987 341753 5953697 113120243