Search a number
-
+
3020121023 = 13722044679
BaseRepresentation
bin1011010000000011…
…0110001110111111
321210110220001012012
42310000312032333
522141122333043
61215403401435
7134561414363
oct26400661677
97713801165
103020121023
11130a863697
1270352327b
1339190aa7a
142091632a3
1512a21aa18
hexb40363bf

3020121023 has 4 divisors (see below), whose sum is σ = 3042165840. Its totient is φ = 2998076208.

The previous prime is 3020121001. The next prime is 3020121061. The reversal of 3020121023 is 3201210203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3020121023 - 220 = 3019072447 is a prime.

It is a super-2 number, since 2×30201210232 = 18242261987133133058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3020120989 and 3020121007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020126023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11022203 + ... + 11022476.

It is an arithmetic number, because the mean of its divisors is an integer number (760541460).

Almost surely, 23020121023 is an apocalyptic number.

3020121023 is a deficient number, since it is larger than the sum of its proper divisors (22044817).

3020121023 is a wasteful number, since it uses less digits than its factorization.

3020121023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22044816.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3020121023 is about 54955.6277645884. The cubic root of 3020121023 is about 1445.4667813472.

Adding to 3020121023 its reverse (3201210203), we get a palindrome (6221331226).

The spelling of 3020121023 in words is "three billion, twenty million, one hundred twenty-one thousand, twenty-three".

Divisors: 1 137 22044679 3020121023