Search a number
-
+
133132032021 = 359212748447
BaseRepresentation
bin111101111111101001…
…0011001100000010101
3110201122012101221211210
41323333102121200111
54140123300011041
6141054321252033
712422064413022
oct1737722314025
9421565357753
10133132032021
115150861a14a
1221975794019
13c728a36711
14662d440549
1536e2cd8016
hex1eff499815

133132032021 has 12 divisors (see below), whose sum is σ = 180569017472. Its totient is φ = 87250364424.

The previous prime is 133132031953. The next prime is 133132032041. The reversal of 133132032021 is 120230231331.

It is not a de Polignac number, because 133132032021 - 211 = 133132029973 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 (133132032041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6363781 + ... + 6384666.

Almost surely, 2133132032021 is an apocalyptic number.

It is an amenable number.

133132032021 is a deficient number, since it is larger than the sum of its proper divisors (47436985451).

133132032021 is an equidigital number, since it uses as much as digits as its factorization.

133132032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748568 (or 12748509 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 133132032021 its reverse (120230231331), we get a palindrome (253362263352).

The spelling of 133132032021 in words is "one hundred thirty-three billion, one hundred thirty-two million, thirty-two thousand, twenty-one".

Divisors: 1 3 59 177 3481 10443 12748447 38245341 752158373 2256475119 44377344007 133132032021