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132231210132 = 22371818697133
BaseRepresentation
bin111101100100110011…
…0000010010010010100
3110122022102100110112010
41323021212002102110
54131302142211012
6140425101424220
712360545512110
oct1731146022224
9418272313463
10132231210132
115109608634a
1221763b6b070
13c614212c08
14658594c740
15368db97c3c
hex1ec9982494

132231210132 has 48 divisors (see below), whose sum is σ = 354564758912. Its totient is φ = 37571610240.

The previous prime is 132231210131. The next prime is 132231210151. The reversal of 132231210132 is 231012132231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 132231210099 and 132231210108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132231210131) 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, 4333363 + ... + 4363770.

Almost surely, 2132231210132 is an apocalyptic number.

132231210132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

132231210132 is an abundant number, since it is smaller than the sum of its proper divisors (222333548780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

132231210132 is a wasteful number, since it uses less digits than its factorization.

132231210132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8697328 (or 8697326 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 132231210132 its reverse (231012132231), we get a palindrome (363243342363).

The spelling of 132231210132 in words is "one hundred thirty-two billion, two hundred thirty-one million, two hundred ten thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 181 362 543 724 1086 1267 2172 2534 3801 5068 7602 15204 8697133 17394266 26091399 34788532 52182798 60879931 104365596 121759862 182639793 243519724 365279586 730559172 1574181073 3148362146 4722543219 6296724292 9445086438 11019267511 18890172876 22038535022 33057802533 44077070044 66115605066 132231210132