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3033004021 = 27710949473
BaseRepresentation
bin1011010011000111…
…1111011111110101
321211101010120100021
42310301333133311
522202422112041
61220543445141
7135106052215
oct26461773765
97741116307
103033004021
1113170628a3
127078b67b1
1339449b948
1420ab58245
1512b412cd1
hexb4c7f7f5

3033004021 has 4 divisors (see below), whose sum is σ = 3043953772. Its totient is φ = 3022054272.

The previous prime is 3033004019. The next prime is 3033004061. The reversal of 3033004021 is 1204003303.

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 999444996 + 2033559025 = 31614^2 + 45095^2 .

It is a cyclic number.

It is not a de Polignac number, because 3033004021 - 21 = 3033004019 is a prime.

It is a super-2 number, since 2×30330040212 = 18398226782804336882, 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 = 3033003986 and 3033004004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3033004061) 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, 5474460 + ... + 5475013.

It is an arithmetic number, because the mean of its divisors is an integer number (760988443).

Almost surely, 23033004021 is an apocalyptic number.

It is an amenable number.

3033004021 is a deficient number, since it is larger than the sum of its proper divisors (10949751).

3033004021 is a wasteful number, since it uses less digits than its factorization.

3033004021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10949750.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 3033004021 is about 55072.7157583499. The cubic root of 3033004021 is about 1447.5191858039.

Adding to 3033004021 its reverse (1204003303), we get a palindrome (4237007324).

The spelling of 3033004021 in words is "three billion, thirty-three million, four thousand, twenty-one".

Divisors: 1 277 10949473 3033004021