Search a number
-
+
121116060 = 223851371
BaseRepresentation
bin1110011100000…
…01010110011100
322102220100000000
413032001112130
5222001203220
620003534300
73000320022
oct716012634
9272810000
10121116060
116240431a
123468a390
131c127c10
141212a712
15a976390
hex738159c

121116060 has 216 divisors, whose sum is σ = 416628576. Its totient is φ = 29393280.

The previous prime is 121116031. The next prime is 121116067. The reversal of 121116060 is 60611121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121116067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1705825 + ... + 1705895.

It is an arithmetic number, because the mean of its divisors is an integer number (1928836).

Almost surely, 2121116060 is an apocalyptic number.

121116060 is a gapful number since it is divisible by the number (10) 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 121116060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208314288).

121116060 is an abundant number, since it is smaller than the sum of its proper divisors (295512516).

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

121116060 is an equidigital number, since it uses as much as digits as its factorization.

121116060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 121116060 is about 11005.2741901327. The cubic root of 121116060 is about 494.7668323334.

Adding to 121116060 its reverse (60611121), we get a palindrome (181727181).

It can be divided in two parts, 1211 and 16060, that added together give a palindrome (17271).

The spelling of 121116060 in words is "one hundred twenty-one million, one hundred sixteen thousand, sixty".