Search a number
-
+
120012008 = 2367223903
BaseRepresentation
bin1110010011100…
…11110011101000
322100211020112012
413021303303220
5221210341013
615524135052
72655041144
oct711636350
9270736465
10120012008
116181a886
1234237488
131bb2c52c
1411d20224
15a8091a8
hex7273ce8

120012008 has 16 divisors (see below), whose sum is σ = 228382080. Its totient is φ = 59110128.

The previous prime is 120012007. The next prime is 120012017. The reversal of 120012008 is 800210021.

It is a junction number, because it is equal to n+sod(n) for n = 120011983 and 120012001.

It is not an unprimeable number, because it can be changed into a prime (120012001) 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, 111416 + ... + 112487.

It is an arithmetic number, because the mean of its divisors is an integer number (14273880).

Almost surely, 2120012008 is an apocalyptic number.

It is an amenable number.

120012008 is a deficient number, since it is larger than the sum of its proper divisors (108370072).

120012008 is a wasteful number, since it uses less digits than its factorization.

120012008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223976 (or 223972 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 120012008 is about 10954.9992240986. Note that the first 3 decimals coincide. The cubic root of 120012008 is about 493.2588666921.

Adding to 120012008 its reverse (800210021), we get a palindrome (920222029).

The spelling of 120012008 in words is "one hundred twenty million, twelve thousand, eight".

Divisors: 1 2 4 8 67 134 268 536 223903 447806 895612 1791224 15001501 30003002 60006004 120012008