Search a number
-
+
2132572069 = 16063132763
BaseRepresentation
bin111111100011100…
…0111011110100101
312111121210212220201
41333013013132211
513331414301234
6551340230501
7103563364165
oct17707073645
95447725821
102132572069
119a4865a61
124b623b431
1327ca83784
141633285a5
15c734d314
hex7f1c77a5

2132572069 has 4 divisors (see below), whose sum is σ = 2132720896. Its totient is φ = 2132423244.

The previous prime is 2132572019. The next prime is 2132572081. The reversal of 2132572069 is 9602752312.

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 2132572069 - 27 = 2132571941 is a prime.

It is a super-2 number, since 2×21325720692 = 9095727258957881522, which contains 22 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 (2132572019) 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, 50319 + ... + 82444.

It is an arithmetic number, because the mean of its divisors is an integer number (533180224).

Almost surely, 22132572069 is an apocalyptic number.

It is an amenable number.

2132572069 is a deficient number, since it is larger than the sum of its proper divisors (148827).

2132572069 is a wasteful number, since it uses less digits than its factorization.

2132572069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148826.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 2132572069 is about 46179.7798717144. The cubic root of 2132572069 is about 1287.1660377918.

The spelling of 2132572069 in words is "two billion, one hundred thirty-two million, five hundred seventy-two thousand, sixty-nine".

Divisors: 1 16063 132763 2132572069