Search a number
-
+
132131403421 = 235744843627
BaseRepresentation
bin111101100001110100…
…1010011011010011101
3110122001110112202110021
41323003221103122131
54131101114402141
6140411134312141
712355224253333
oct1730351233235
9418043482407
10132131403421
1151044807066
1221736658651
13c5c96393a4
1465765abb53
1536850306d1
hex1ec3a5369d

132131403421 has 4 divisors (see below), whose sum is σ = 137876247072. Its totient is φ = 126386559772.

The previous prime is 132131403389. The next prime is 132131403431. The reversal of 132131403421 is 124304131231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124304131231 = 717757733033.

It is a cyclic number.

It is not a de Polignac number, because 132131403421 - 25 = 132131403389 is a prime.

It is a super-3 number, since 3×1321314034213 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132131403431) 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, 2872421791 + ... + 2872421836.

It is an arithmetic number, because the mean of its divisors is an integer number (34469061768).

Almost surely, 2132131403421 is an apocalyptic number.

It is an amenable number.

132131403421 is a deficient number, since it is larger than the sum of its proper divisors (5744843651).

132131403421 is an equidigital number, since it uses as much as digits as its factorization.

132131403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744843650.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 132131403421 its reverse (124304131231), we get a palindrome (256435534652).

The spelling of 132131403421 in words is "one hundred thirty-two billion, one hundred thirty-one million, four hundred three thousand, four hundred twenty-one".

Divisors: 1 23 5744843627 132131403421