Search a number
-
+
2140895712400 = 245214924912
BaseRepresentation
bin11111001001110111010…
…101000001010010010000
321120200000200222122010121
4133021313111001102100
5240034023300244100
64315303001040024
7310450251204544
oct37116725012220
97520020878117
102140895712400
11755a488a8a05
122a6b05786014
13126b6887b2b3
147589703da24
153aa5268051a
hex1f277541490

2140895712400 has 135 divisors (see below), whose sum is σ = 5188821596203. Its totient is φ = 848878508800.

The previous prime is 2140895712377. The next prime is 2140895712409. The reversal of 2140895712400 is 42175980412.

The square root of 2140895712400 is 1463180.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 638957225104 + 1501938487296 = 799348^2 + 1225536^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140895712409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4360276155 + ... + 4360276645.

Almost surely, 22140895712400 is an apocalyptic number.

2140895712400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2140895712400 is the 1463180-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140895712400

2140895712400 is an abundant number, since it is smaller than the sum of its proper divisors (3047925883803).

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

2140895712400 is an frugal number, since it uses more digits than its factorization.

2140895712400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 647 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 2140895712400 in words is "two trillion, one hundred forty billion, eight hundred ninety-five million, seven hundred twelve thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 149 200 298 400 491 596 745 982 1192 1490 1964 2384 2455 2980 3725 3928 4910 5960 7450 7856 9820 11920 12275 14900 19640 22201 24550 29800 39280 44402 49100 59600 73159 88804 98200 111005 146318 177608 196400 222010 241081 292636 355216 365795 444020 482162 555025 585272 731590 888040 964324 1110050 1170544 1205405 1463180 1776080 1828975 1928648 2220100 2410810 2926360 3657950 3857296 4440200 4821620 5852720 6027025 7315900 8880400 9643240 10900691 12054050 14631800 19286480 21801382 24108100 29263600 35921069 43602764 48216200 54503455 71842138 87205528 96432400 109006910 143684276 174411056 179605345 218013820 272517275 287368552 359210690 436027640 545034550 574737104 718421380 872055280 898026725 1090069100 1436842760 1796053450 2180138200 2873685520 3592106900 4360276400 5352239281 7184213800 10704478562 14368427600 21408957124 26761196405 42817914248 53522392810 85635828496 107044785620 133805982025 214089571240 267611964050 428179142480 535223928100 1070447856200 2140895712400