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2089455643 = 11607931247
BaseRepresentation
bin111110010001010…
…1001000000011011
312101121200100022001
41330202221000123
513234400040033
6543200141431
7102531036262
oct17442510033
95347610261
102089455643
11982496a50
124a3907877
13273b685b2
1415b7035d9
15c3682e7d
hex7c8a901b

2089455643 has 8 divisors (see below), whose sum is σ = 2279854080. Its totient is φ = 1899131880.

The previous prime is 2089455611. The next prime is 2089455679. The reversal of 2089455643 is 3465549802.

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 2089455643 - 25 = 2089455611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2089455593 and 2089455602.

It is not an unprimeable number, because it can be changed into a prime (2089455343) 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, 51246 + ... + 82492.

It is an arithmetic number, because the mean of its divisors is an integer number (284981760).

Almost surely, 22089455643 is an apocalyptic number.

2089455643 is a deficient number, since it is larger than the sum of its proper divisors (190398437).

2089455643 is a wasteful number, since it uses less digits than its factorization.

2089455643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37337.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The square root of 2089455643 is about 45710.5638009421. The cubic root of 2089455643 is about 1278.4322527630.

The spelling of 2089455643 in words is "two billion, eighty-nine million, four hundred fifty-five thousand, six hundred forty-three".

Divisors: 1 11 6079 31247 66869 343717 189950513 2089455643