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141443121 = 3297322271
BaseRepresentation
bin10000110111001…
…00000000110001
3100212011001111010
420123210000301
5242202134441
622011341133
73335150421
oct1033440061
9325131433
10141443121
1172928346
123b4517a9
13233c4171
1414adc481
15c63e116
hex86e4031

141443121 has 16 divisors (see below), whose sum is σ = 197775360. Its totient is φ = 89792640.

The previous prime is 141443083. The next prime is 141443129. The reversal of 141443121 is 121344141.

It is not a de Polignac number, because 141443121 - 213 = 141434929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141443129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4785 + ... + 17486.

It is an arithmetic number, because the mean of its divisors is an integer number (12360960).

Almost surely, 2141443121 is an apocalyptic number.

It is an amenable number.

141443121 is a deficient number, since it is larger than the sum of its proper divisors (56332239).

141443121 is a wasteful number, since it uses less digits than its factorization.

141443121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22376.

The product of its digits is 384, while the sum is 21.

The square root of 141443121 is about 11892.9862103679. The cubic root of 141443121 is about 521.0274569448.

Adding to 141443121 its reverse (121344141), we get a palindrome (262787262).

The spelling of 141443121 in words is "one hundred forty-one million, four hundred forty-three thousand, one hundred twenty-one".

Divisors: 1 3 29 73 87 219 2117 6351 22271 66813 645859 1625783 1937577 4877349 47147707 141443121