Search a number
-
+
122443012 = 22296310331
BaseRepresentation
bin1110100110001…
…01010100000100
322112101202020101
413103011110010
5222321134022
620052213444
73014514466
oct723052404
9275352211
10122443012
116313027a
123500a284
131c4a0bb3
1412394136
15ab39627
hex74c5504

122443012 has 12 divisors (see below), whose sum is σ = 214368336. Its totient is φ = 61194920.

The previous prime is 122442997. The next prime is 122443019. The reversal of 122443012 is 210344221.

It is not an unprimeable number, because it can be changed into a prime (122443019) 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, 6687 + ... + 17017.

It is an arithmetic number, because the mean of its divisors is an integer number (17864028).

Almost surely, 2122443012 is an apocalyptic number.

It is an amenable number.

122443012 is a deficient number, since it is larger than the sum of its proper divisors (91925324).

122443012 is a wasteful number, since it uses less digits than its factorization.

122443012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13298 (or 13296 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 122443012 is about 11065.3970556867. The cubic root of 122443012 is about 496.5671679329.

Adding to 122443012 its reverse (210344221), we get a palindrome (332787233).

The spelling of 122443012 in words is "one hundred twenty-two million, four hundred forty-three thousand, twelve".

Divisors: 1 2 4 2963 5926 10331 11852 20662 41324 30610753 61221506 122443012