Search a number
-
+
2100444242 = 21380786317
BaseRepresentation
bin111110100110010…
…0011110001010010
312102101100121211012
41331030203301102
513300203203432
6544231450522
7103023324101
oct17514436122
95371317735
102100444242
11988711936
124a7526a42
13276215120
1415cd64038
15c4603cb2
hex7d323c52

2100444242 has 8 divisors (see below), whose sum is σ = 3393025356. Its totient is φ = 969435792.

The previous prime is 2100444211. The next prime is 2100444287. The reversal of 2100444242 is 2424440012.

It can be written as a sum of positive squares in 2 ways, for example, as 1939433521 + 161010721 = 44039^2 + 12689^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40393133 + ... + 40393184.

Almost surely, 22100444242 is an apocalyptic number.

2100444242 is a deficient number, since it is larger than the sum of its proper divisors (1292581114).

2100444242 is a wasteful number, since it uses less digits than its factorization.

2100444242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80786332.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2100444242 is about 45830.6037708429. The cubic root of 2100444242 is about 1280.6694581525.

Adding to 2100444242 its reverse (2424440012), we get a palindrome (4524884254).

The spelling of 2100444242 in words is "two billion, one hundred million, four hundred forty-four thousand, two hundred forty-two".

Divisors: 1 2 13 26 80786317 161572634 1050222121 2100444242