Search a number
-
+
2120341045 = 5764955441
BaseRepresentation
bin111111001100001…
…1101011000110101
312110202210111002211
41332120131120311
513320301403140
6550222133421
7103354413214
oct17630353065
95422714084
102120341045
11998971679
124b2121271
1327a390594
1416186307b
15c62342ea
hex7e61d635

2120341045 has 8 divisors (see below), whose sum is σ = 2544787800. Its totient is φ = 1696020480.

The previous prime is 2120341019. The next prime is 2120341057. The reversal of 2120341045 is 5401430212.

It can be written as a sum of positive squares in 4 ways, for example, as 106929 + 2120234116 = 327^2 + 46046^2 .

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

It is not a de Polignac number, because 2120341045 - 215 = 2120308277 is a prime.

It is a super-2 number, since 2×21203410452 = 8991692294223384050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10525 + ... + 65965.

It is an arithmetic number, because the mean of its divisors is an integer number (318098475).

Almost surely, 22120341045 is an apocalyptic number.

It is an amenable number.

2120341045 is a deficient number, since it is larger than the sum of its proper divisors (424446755).

2120341045 is an equidigital number, since it uses as much as digits as its factorization.

2120341045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63095.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2120341045 is about 46047.1610959894. The cubic root of 2120341045 is about 1284.7005403717.

Adding to 2120341045 its reverse (5401430212), we get a palindrome (7521771257).

The spelling of 2120341045 in words is "two billion, one hundred twenty million, three hundred forty-one thousand, forty-five".

Divisors: 1 5 7649 38245 55441 277205 424068209 2120341045