Search a number
-
+
132215143055461 = 1031283642165587
BaseRepresentation
bin11110000011111110111100…
…101000101100000001100101
3122100010122101122110202010021
4132003332330220230001211
5114312203103110233321
61145110444225155141
736564141333050344
oct3603767450540145
9570118348422107
10132215143055461
113914514445a984
12129b421ba8bab1
1358a0ab04c176b
142491365d51b5b
15104434516b941
hex783fbca2c065

132215143055461 has 4 divisors (see below), whose sum is σ = 133498785221152. Its totient is φ = 130931500889772.

The previous prime is 132215143055407. The next prime is 132215143055477. The reversal of 132215143055461 is 164550341512231.

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.

It is a cyclic number.

It is not a de Polignac number, because 132215143055461 - 213 = 132215143047269 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 (132215143055761) 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, 641821082691 + ... + 641821082896.

It is an arithmetic number, because the mean of its divisors is an integer number (33374696305288).

Almost surely, 2132215143055461 is an apocalyptic number.

It is an amenable number.

132215143055461 is a deficient number, since it is larger than the sum of its proper divisors (1283642165691).

132215143055461 is a wasteful number, since it uses less digits than its factorization.

132215143055461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283642165690.

The product of its (nonzero) digits is 432000, while the sum is 43.

Adding to 132215143055461 its reverse (164550341512231), we get a palindrome (296765484567692).

The spelling of 132215143055461 in words is "one hundred thirty-two trillion, two hundred fifteen billion, one hundred forty-three million, fifty-five thousand, four hundred sixty-one".

Divisors: 1 103 1283642165587 132215143055461