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121332233 = 11193161307
BaseRepresentation
bin1110011101101…
…10001000001001
322110022022112102
413032312020021
5222030112413
620012323145
73002210201
oct716661011
9273268472
10121332233
1162541780
12347734b5
131c1a2429
1412185401
15a9ba458
hex73b6209

121332233 has 32 divisors (see below), whose sum is σ = 146657280. Its totient is φ = 99144000.

The previous prime is 121332227. The next prime is 121332241. The reversal of 121332233 is 332233121.

It is a cyclic number.

It is not a de Polignac number, because 121332233 - 24 = 121332217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121332203) 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 31 ways as a sum of consecutive naturals, for example, 395066 + ... + 395372.

It is an arithmetic number, because the mean of its divisors is an integer number (4583040).

Almost surely, 2121332233 is an apocalyptic number.

It is an amenable number.

121332233 is a deficient number, since it is larger than the sum of its proper divisors (25325047).

121332233 is a wasteful number, since it uses less digits than its factorization.

121332233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429.

The product of its digits is 648, while the sum is 20.

The square root of 121332233 is about 11015.0911480568. The cubic root of 121332233 is about 495.0610175437.

Adding to 121332233 its reverse (332233121), we get a palindrome (453565354).

The spelling of 121332233 in words is "one hundred twenty-one million, three hundred thirty-two thousand, two hundred thirty-three".

Divisors: 1 11 19 31 61 209 307 341 589 671 1159 1891 3377 5833 6479 9517 12749 18727 20801 35929 64163 104687 180823 205997 355813 395219 580537 1989053 3913943 6385907 11030203 121332233