Search a number
-
+
121068243 = 3329154621
BaseRepresentation
bin1110011011101…
…01101011010011
322102210220102000
413031311223103
5221443140433
620002525043
73000030432
oct715655323
9272726360
10121068243
11623813aa
1234666783
131c10c21a
1412117119
15a967113
hex7375ad3

121068243 has 16 divisors (see below), whose sum is σ = 185546400. Its totient is φ = 77928480.

The previous prime is 121068229. The next prime is 121068307. The reversal of 121068243 is 342860121.

It is not a de Polignac number, because 121068243 - 26 = 121068179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (121068223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76528 + ... + 78093.

It is an arithmetic number, because the mean of its divisors is an integer number (11596650).

Almost surely, 2121068243 is an apocalyptic number.

121068243 is a deficient number, since it is larger than the sum of its proper divisors (64478157).

121068243 is a wasteful number, since it uses less digits than its factorization.

121068243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154659 (or 154653 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 121068243 is about 11003.1015172996. The cubic root of 121068243 is about 494.7017119308.

The spelling of 121068243 in words is "one hundred twenty-one million, sixty-eight thousand, two hundred forty-three".

Divisors: 1 3 9 27 29 87 261 783 154621 463863 1391589 4174767 4484009 13452027 40356081 121068243