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2019704992 = 25175962927
BaseRepresentation
bin111100001100010…
…0100000010100000
312012202102122101121
41320120210002200
513114021024432
6532225142024
7101023131514
oct17030440240
95182378347
102019704992
11947086288
1248448a914
13262586416
14152348144
15bc4a6197
hex786240a0

2019704992 has 48 divisors (see below), whose sum is σ = 4281621120. Its totient is φ = 934325248.

The previous prime is 2019704989. The next prime is 2019705001. The reversal of 2019704992 is 2994079102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633 + ... + 63559.

It is an arithmetic number, because the mean of its divisors is an integer number (89200440).

Almost surely, 22019704992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2019704992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2140810560).

2019704992 is an abundant number, since it is smaller than the sum of its proper divisors (2261916128).

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

2019704992 is a wasteful number, since it uses less digits than its factorization.

2019704992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63013 (or 63005 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 2019704992 is about 44941.1280677288. The cubic root of 2019704992 is about 1264.0453236432.

The spelling of 2019704992 in words is "two billion, nineteen million, seven hundred four thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 17 32 34 59 68 118 136 236 272 472 544 944 1003 1888 2006 4012 8024 16048 32096 62927 125854 251708 503416 1006832 1069759 2013664 2139518 3712693 4279036 7425386 8558072 14850772 17116144 29701544 34232288 59403088 63115781 118806176 126231562 252463124 504926248 1009852496 2019704992