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3043020121 = 7973818093
BaseRepresentation
bin1011010101100000…
…1100110101011001
321212001222102211221
42311120030311121
522213003120441
61221542252041
7135260146531
oct26530146531
97761872757
103043020121
111321784069
1270b127021
1339659792b
1420c2044c1
1512c2408d1
hexb560cd59

3043020121 has 4 divisors (see below), whose sum is σ = 3046839012. Its totient is φ = 3039201232.

The previous prime is 3043020073. The next prime is 3043020131. The reversal of 3043020121 is 1210203403.

It is a happy number.

3043020121 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1250683225 + 1792336896 = 35365^2 + 42336^2 .

It is a cyclic number.

It is not a de Polignac number, because 3043020121 - 229 = 2506149209 is a prime.

It is a super-3 number, since 3×30430201213 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3043020095 and 3043020104.

It is not an unprimeable number, because it can be changed into a prime (3043020131) 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, 1908250 + ... + 1909843.

It is an arithmetic number, because the mean of its divisors is an integer number (761709753).

Almost surely, 23043020121 is an apocalyptic number.

It is an amenable number.

3043020121 is a deficient number, since it is larger than the sum of its proper divisors (3818891).

3043020121 is an equidigital number, since it uses as much as digits as its factorization.

3043020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818890.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3043020121 is about 55163.5760352789. The cubic root of 3043020121 is about 1449.1108494081.

Adding to 3043020121 its reverse (1210203403), we get a palindrome (4253223524).

The spelling of 3043020121 in words is "three billion, forty-three million, twenty thousand, one hundred twenty-one".

Divisors: 1 797 3818093 3043020121