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132120143 = 294555867
BaseRepresentation
bin1111101111111…
…11111001001111
3100012121101202122
413313333321033
5232310321033
621035443155
73163000631
oct767777117
9305541678
10132120143
116863a901
12382b64bb
13214ab7cc
1413792a51
15b8eba98
hex7dffe4f

132120143 has 4 divisors (see below), whose sum is σ = 136676040. Its totient is φ = 127564248.

The previous prime is 132120103. The next prime is 132120151. The reversal of 132120143 is 341021231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132120143 - 214 = 132103759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132120103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2277905 + ... + 2277962.

It is an arithmetic number, because the mean of its divisors is an integer number (34169010).

Almost surely, 2132120143 is an apocalyptic number.

132120143 is a deficient number, since it is larger than the sum of its proper divisors (4555897).

132120143 is an equidigital number, since it uses as much as digits as its factorization.

132120143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555896.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 132120143 is about 11494.3526568485. The cubic root of 132120143 is about 509.3187662111.

Adding to 132120143 its reverse (341021231), we get a palindrome (473141374).

The spelling of 132120143 in words is "one hundred thirty-two million, one hundred twenty thousand, one hundred forty-three".

Divisors: 1 29 4555867 132120143