Search a number
-
+
87944070533 = 1125131852253
BaseRepresentation
bin101000111100111100…
…0000000010110000101
322101222222021200002112
41101321320000112011
52420102140224113
6104222334350405
76232223160044
oct1217170002605
9271888250075
1087944070533
113432a153930
121506435b405
1383a6bc4977
144383c4455b
15244ab1c5a8
hex1479e00585

87944070533 has 8 divisors (see below), whose sum is σ = 96321216096. Its totient is φ = 79630630000.

The previous prime is 87944070521. The next prime is 87944070559. The reversal of 87944070533 is 33507044978.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87944070533 - 24 = 87944070517 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 (87944070503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15923366 + ... + 15928887.

It is an arithmetic number, because the mean of its divisors is an integer number (12040152012).

Almost surely, 287944070533 is an apocalyptic number.

It is an amenable number.

87944070533 is a deficient number, since it is larger than the sum of its proper divisors (8377145563).

87944070533 is a wasteful number, since it uses less digits than its factorization.

87944070533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31852515.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 87944070533 in words is "eighty-seven billion, nine hundred forty-four million, seventy thousand, five hundred thirty-three".

Divisors: 1 11 251 2761 31852253 350374783 7994915503 87944070533