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3006642641 = 11326607457
BaseRepresentation
bin1011001100110101…
…1011100111010001
321202112112021022212
42303031123213101
522124200031031
61214202441505
7134336016662
oct26315334721
97675467285
103006642641
111303198132
126bab03295
1338bb9bbb2
14207455369
15128e5712b
hexb335b9d1

3006642641 has 4 divisors (see below), whose sum is σ = 3033250212. Its totient is φ = 2980035072.

The previous prime is 3006642619. The next prime is 3006642659. The reversal of 3006642641 is 1462466003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1462466003 = 3494190447.

It can be written as a sum of positive squares in 2 ways, for example, as 917787025 + 2088855616 = 30295^2 + 45704^2 .

It is a cyclic number.

It is not a de Polignac number, because 3006642641 - 226 = 2939533777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3006642598 and 3006642607.

It is not an unprimeable number, because it can be changed into a prime (3006642941) 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, 13303616 + ... + 13303841.

It is an arithmetic number, because the mean of its divisors is an integer number (758312553).

Almost surely, 23006642641 is an apocalyptic number.

It is an amenable number.

3006642641 is a deficient number, since it is larger than the sum of its proper divisors (26607571).

3006642641 is a wasteful number, since it uses less digits than its factorization.

3006642641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26607570.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 3006642641 is about 54832.8609594648. The cubic root of 3006642641 is about 1443.3132685114.

The spelling of 3006642641 in words is "three billion, six million, six hundred forty-two thousand, six hundred forty-one".

Divisors: 1 113 26607457 3006642641