[go: up one dir, main page]

Search a number
-
+
2133405132 = 223177783761
BaseRepresentation
bin111111100101001…
…0010110111001100
312111200101012122220
41333022102313030
513332122431012
6551410135340
7103603434015
oct17712226714
95450335586
102133405132
119a5284941
124b6581550
1327ccb5a01
141634a400c
15c746508c
hex7f292dcc

2133405132 has 12 divisors (see below), whose sum is σ = 4977945336. Its totient is φ = 711135040.

The previous prime is 2133405119. The next prime is 2133405133. The reversal of 2133405132 is 2315043312.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2133405133) 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, 88891869 + ... + 88891892.

It is an arithmetic number, because the mean of its divisors is an integer number (414828778).

Almost surely, 22133405132 is an apocalyptic number.

It is an amenable number.

2133405132 is an abundant number, since it is smaller than the sum of its proper divisors (2844540204).

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

2133405132 is a wasteful number, since it uses less digits than its factorization.

2133405132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177783768 (or 177783766 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2133405132 is about 46188.7987719967. The cubic root of 2133405132 is about 1287.3336211560. Note that the first 3 decimals are identical.

Adding to 2133405132 its reverse (2315043312), we get a palindrome (4448448444).

The spelling of 2133405132 in words is "two billion, one hundred thirty-three million, four hundred five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 177783761 355567522 533351283 711135044 1066702566 2133405132