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3006669891 = 33073264571
BaseRepresentation
bin1011001100110110…
…0010010001000011
321202112120122201010
42303031202101003
522124201414031
61214203212003
7134336162301
oct26315422103
97675518633
103006669891
111303206655
126bab17003
1338bbab414
14207461271
15128e60246
hexb3362443

3006669891 has 8 divisors (see below), whose sum is σ = 4021952704. Its totient is φ = 1997916840.

The previous prime is 3006669863. The next prime is 3006669961. The reversal of 3006669891 is 1989666003.

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

It is not a de Polignac number, because 3006669891 - 211 = 3006667843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3006669891.

It is not an unprimeable number, because it can be changed into a prime (3006669811) 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, 1631365 + ... + 1633206.

It is an arithmetic number, because the mean of its divisors is an integer number (502744088).

Almost surely, 23006669891 is an apocalyptic number.

3006669891 is a deficient number, since it is larger than the sum of its proper divisors (1015282813).

3006669891 is a wasteful number, since it uses less digits than its factorization.

3006669891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264881.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 3006669891 is about 54833.1094412856. The cubic root of 3006669891 is about 1443.3176288752.

The spelling of 3006669891 in words is "three billion, six million, six hundred sixty-nine thousand, eight hundred ninety-one".

Divisors: 1 3 307 921 3264571 9793713 1002223297 3006669891