Search a number
-
+
120442199 = 711696369
BaseRepresentation
bin1110010110111…
…00110101010111
322101122002122012
413023130311113
5221313122244
615541254435
72661512303
oct713346527
9271562565
10120442199
1161a94009
123440441b
131bc50297
1411dd2d03
15a89189e
hex72dcd57

120442199 has 4 divisors (see below), whose sum is σ = 122138640. Its totient is φ = 118745760.

The previous prime is 120442181. The next prime is 120442207. The reversal of 120442199 is 991244021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991244021 = 2011492911.

It is a cyclic number.

It is not a de Polignac number, because 120442199 - 28 = 120441943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120441199) 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 3 ways as a sum of consecutive naturals, for example, 848114 + ... + 848255.

It is an arithmetic number, because the mean of its divisors is an integer number (30534660).

Almost surely, 2120442199 is an apocalyptic number.

120442199 is a deficient number, since it is larger than the sum of its proper divisors (1696441).

120442199 is an equidigital number, since it uses as much as digits as its factorization.

120442199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696440.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 120442199 is about 10974.6161208491. The cubic root of 120442199 is about 493.8475369132.

The spelling of 120442199 in words is "one hundred twenty million, four hundred forty-two thousand, one hundred ninety-nine".

Divisors: 1 71 1696369 120442199