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2099088481 = 71717639399
BaseRepresentation
bin111110100011101…
…1000110001100001
312102021210202001211
41331013120301201
513244331312411
6544142430121
7103005646330
oct17507306141
95367722054
102099088481
11987976276
124a6b92341
13275b5bcb9
1415cacdd17
15c4437221
hex7d1d8c61

2099088481 has 8 divisors (see below), whose sum is σ = 2540073600. Its totient is φ = 1693382208.

The previous prime is 2099088451. The next prime is 2099088499. The reversal of 2099088481 is 1848809902.

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

It is not a de Polignac number, because 2099088481 - 215 = 2099055713 is a prime.

It is a super-2 number, since 2×20990884812 = 8812344902133774722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2099088401) 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, 8819581 + ... + 8819818.

It is an arithmetic number, because the mean of its divisors is an integer number (317509200).

Almost surely, 22099088481 is an apocalyptic number.

It is an amenable number.

2099088481 is a deficient number, since it is larger than the sum of its proper divisors (440985119).

2099088481 is a wasteful number, since it uses less digits than its factorization.

2099088481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17639423.

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 2099088481 is about 45815.8103824433. The cubic root of 2099088481 is about 1280.3938568656.

The spelling of 2099088481 in words is "two billion, ninety-nine million, eighty-eight thousand, four hundred eighty-one".

Divisors: 1 7 17 119 17639399 123475793 299869783 2099088481