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121141233 = 3231742461
BaseRepresentation
bin1110011100001…
…11011111110001
322102221121112100
413032013133301
5222003004413
620004251013
73000453303
oct716073761
9272847470
10121141233
1162421224
12346a0a69
131c136505
1412135973
15a97da73
hex73877f1

121141233 has 12 divisors (see below), whose sum is σ = 175537908. Its totient is φ = 80504160.

The previous prime is 121141217. The next prime is 121141243. The reversal of 121141233 is 332141121.

It can be written as a sum of positive squares in 2 ways, for example, as 72029169 + 49112064 = 8487^2 + 7008^2 .

It is not a de Polignac number, because 121141233 - 24 = 121141217 is a prime.

It is a super-3 number, since 3×1211412333 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121141243) 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 11 ways as a sum of consecutive naturals, for example, 18378 + ... + 24083.

It is an arithmetic number, because the mean of its divisors is an integer number (14628159).

Almost surely, 2121141233 is an apocalyptic number.

It is an amenable number.

121141233 is a deficient number, since it is larger than the sum of its proper divisors (54396675).

121141233 is a wasteful number, since it uses less digits than its factorization.

121141233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42784 (or 42781 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 121141233 is about 11006.4178096236. The cubic root of 121141233 is about 494.8011077292.

Adding to 121141233 its reverse (332141121), we get a palindrome (453282354).

The spelling of 121141233 in words is "one hundred twenty-one million, one hundred forty-one thousand, two hundred thirty-three".

Divisors: 1 3 9 317 951 2853 42461 127383 382149 13460137 40380411 121141233