Search a number
-
+
2195201530 = 25219520153
BaseRepresentation
bin1000001011011000…
…0001110111111010
312122222122210101101
42002312001313322
513443432422110
61001454442014
7105253622314
oct20266016772
95588583341
102195201530
11a27152445
1251320330a
1328ca41522
1416b78c7b4
15ccac013a
hex82d81dfa

2195201530 has 8 divisors (see below), whose sum is σ = 3951362772. Its totient is φ = 878080608.

The previous prime is 2195201521. The next prime is 2195201531. The reversal of 2195201530 is 351025912.

2195201530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2182104369 + 13097161 = 46713^2 + 3619^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2195201531) 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, 109760067 + ... + 109760086.

Almost surely, 22195201530 is an apocalyptic number.

2195201530 is a deficient number, since it is larger than the sum of its proper divisors (1756161242).

2195201530 is a wasteful number, since it uses less digits than its factorization.

2195201530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219520160.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 2195201530 is about 46852.9778135819. The cubic root of 2195201530 is about 1299.6451753516.

The spelling of 2195201530 in words is "two billion, one hundred ninety-five million, two hundred one thousand, five hundred thirty".

Divisors: 1 2 5 10 219520153 439040306 1097600765 2195201530