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2106192798 = 2321719734939
BaseRepresentation
bin111110110001001…
…1111001110011110
312102210011200100200
41331202133032132
513303141132143
6544555004330
7103123225533
oct17542371636
95383150320
102106192798
11990988906
124a94396a6
13277478838
1415da1cd8a
15c4d8c1d3
hex7d89f39e

2106192798 has 48 divisors (see below), whose sum is σ = 4856520240. Its totient is φ = 657393408.

The previous prime is 2106192791. The next prime is 2106192799. The reversal of 2106192798 is 8972916012.

2106192798 is a `hidden beast` number, since 2 + 1 + 0 + 619 + 27 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106192791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42813 + ... + 77751.

It is an arithmetic number, because the mean of its divisors is an integer number (101177505).

Almost surely, 22106192798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2106192798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2428260120).

2106192798 is an abundant number, since it is smaller than the sum of its proper divisors (2750327442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2106192798 is a wasteful number, since it uses less digits than its factorization.

2106192798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35161 (or 35158 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 2106192798 is about 45893.2761741848. The cubic root of 2106192798 is about 1281.8367182279.

The spelling of 2106192798 in words is "two billion, one hundred six million, one hundred ninety-two thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 197 306 394 591 1182 1773 3349 3546 6698 10047 20094 30141 34939 60282 69878 104817 209634 314451 593963 628902 1187926 1781889 3563778 5345667 6882983 10691334 13765966 20648949 41297898 61946847 117010711 123893694 234021422 351032133 702064266 1053096399 2106192798