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3000002021 = 41611199521
BaseRepresentation
bin1011001011010000…
…0110010111100101
321202002000220002222
42302310012113211
522121000031041
61213404242125
7134225411402
oct26264062745
97662026088
103000002021
1112aa471a15
126b8840345
1338a6b5433
142066072a9
1512859474b
hexb2d065e5

3000002021 has 8 divisors (see below), whose sum is σ = 3123555288. Its totient is φ = 2878848000.

The previous prime is 3000002003. The next prime is 3000002051. The reversal of 3000002021 is 1202000003.

3000002021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 200533921 + 2799468100 = 14161^2 + 52910^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3000002021 - 26 = 3000001957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000002051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597260 + ... + 602261.

It is an arithmetic number, because the mean of its divisors is an integer number (390444411).

Almost surely, 23000002021 is an apocalyptic number.

It is an amenable number.

3000002021 is a deficient number, since it is larger than the sum of its proper divisors (123553267).

3000002021 is a wasteful number, since it uses less digits than its factorization.

3000002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199623.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 3000002021 is about 54772.2741996350. The cubic root of 3000002021 is about 1442.2498941725.

Adding to 3000002021 its reverse (1202000003), we get a palindrome (4202002024).

The spelling of 3000002021 in words is "three billion, two thousand, twenty-one".

Divisors: 1 41 61 2501 1199521 49180361 73170781 3000002021