Search a number
-
+
3002120545 = 5600424109
BaseRepresentation
bin1011001011110000…
…1011100101100001
321202020000112011211
42302330023211201
522122020324140
61213521510121
7134252414014
oct26274134541
97666015154
103002120545
111300689666
126b94a2341
1338ac777b8
142069d937b
151288622ea
hexb2f0b961

3002120545 has 4 divisors (see below), whose sum is σ = 3602544660. Its totient is φ = 2401696432.

The previous prime is 3002120521. The next prime is 3002120549. The reversal of 3002120545 is 5450212003.

3002120545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5450212003 = 12647430949.

It can be written as a sum of positive squares in 2 ways, for example, as 1364785249 + 1637335296 = 36943^2 + 40464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3002120545 is a prime.

It is a super-2 number, since 2×30021205452 = 18025455533422194050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3002120549) 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, 300212050 + ... + 300212059.

It is an arithmetic number, because the mean of its divisors is an integer number (900636165).

Almost surely, 23002120545 is an apocalyptic number.

It is an amenable number.

3002120545 is a deficient number, since it is larger than the sum of its proper divisors (600424115).

3002120545 is an equidigital number, since it uses as much as digits as its factorization.

3002120545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600424114.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 3002120545 is about 54791.6101698061. The cubic root of 3002120545 is about 1442.5893075074.

Adding to 3002120545 its reverse (5450212003), we get a palindrome (8452332548).

The spelling of 3002120545 in words is "three billion, two million, one hundred twenty thousand, five hundred forty-five".

Divisors: 1 5 600424109 3002120545