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2985889671 = 32615438779
BaseRepresentation
bin1011000111111001…
…0000111110000111
321201002110220121100
42301332100332013
522103341432141
61212141551143
7133664433462
oct26176207607
97632426540
102985889671
1112a2503116
126b3b754b3
133877b3b2b
142047b22d9
151272080b6
hexb1f90f87

2985889671 has 12 divisors (see below), whose sum is σ = 4383656680. Its totient is φ = 1957960080.

The previous prime is 2985889667. The next prime is 2985889717. The reversal of 2985889671 is 1769885892.

It is a happy number.

It is not a de Polignac number, because 2985889671 - 22 = 2985889667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2985889599 and 2985889608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985889661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2718841 + ... + 2719938.

Almost surely, 22985889671 is an apocalyptic number.

2985889671 is a deficient number, since it is larger than the sum of its proper divisors (1397767009).

2985889671 is a wasteful number, since it uses less digits than its factorization.

2985889671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438846 (or 5438843 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 63.

The square root of 2985889671 is about 54643.2948402638. The cubic root of 2985889671 is about 1439.9848363565.

The spelling of 2985889671 in words is "two billion, nine hundred eighty-five million, eight hundred eighty-nine thousand, six hundred seventy-one".

Divisors: 1 3 9 61 183 549 5438779 16316337 48949011 331765519 995296557 2985889671