Search a number
-
+
168333312 = 2123719103
BaseRepresentation
bin10100000100010…
…01000000000000
3102201202012220010
422002021000000
5321043131222
624411544520
74112544450
oct1202110000
9381665803
10168333312
1187024344
124845b140
1328b4a814
14184dbd60
15eba180c
hexa089000

168333312 has 208 divisors, whose sum is σ = 545192960. Its totient is φ = 45121536.

The previous prime is 168333307. The next prime is 168333323. The reversal of 168333312 is 213333861.

It is a super-2 number, since 2×1683333122 = 56672207857778688, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 168333312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1634253 + ... + 1634355.

It is an arithmetic number, because the mean of its divisors is an integer number (2621120).

Almost surely, 2168333312 is an apocalyptic number.

168333312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168333312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272596480).

168333312 is an abundant number, since it is smaller than the sum of its proper divisors (376859648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168333312 is a wasteful number, since it uses less digits than its factorization.

168333312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 134 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 168333312 is about 12974.3328152164. The cubic root of 168333312 is about 552.1495079167.

The spelling of 168333312 in words is "one hundred sixty-eight million, three hundred thirty-three thousand, three hundred twelve".