Search a number
-
+
120442012 = 2247640649
BaseRepresentation
bin1110010110111…
…00110010011100
322101122002101021
413023130302130
5221313121022
615541253524
72661511615
oct713346234
9271562337
10120442012
1161a93959
12344042a4
131bc50182
1411dd2c0c
15a8917c7
hex72dcc9c

120442012 has 12 divisors (see below), whose sum is σ = 215258400. Its totient is φ = 58939616.

The previous prime is 120441983. The next prime is 120442019. The reversal of 120442012 is 210244021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120442019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320137 + ... + 320512.

It is an arithmetic number, because the mean of its divisors is an integer number (17938200).

Almost surely, 2120442012 is an apocalyptic number.

It is an amenable number.

120442012 is a deficient number, since it is larger than the sum of its proper divisors (94816388).

120442012 is a wasteful number, since it uses less digits than its factorization.

120442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640700 (or 640698 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 120442012 is about 10974.6076011856. The cubic root of 120442012 is about 493.8472813286.

Adding to 120442012 its reverse (210244021), we get a palindrome (330686033).

The spelling of 120442012 in words is "one hundred twenty million, four hundred forty-two thousand, twelve".

Divisors: 1 2 4 47 94 188 640649 1281298 2562596 30110503 60221006 120442012