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2140872800 = 255211298389
BaseRepresentation
bin111111110011011…
…0010000001100000
312112012102121101012
41333212302001200
513341030412200
6552234200052
7104024055443
oct17746620140
95465377335
102140872800
119a9515470
124b8b83028
132816cba51
1416448965a
15c7e3ca35
hex7f9b2060

2140872800 has 144 divisors (see below), whose sum is σ = 5898841200. Its totient is φ = 751564800.

The previous prime is 2140872793. The next prime is 2140872809. The reversal of 2140872800 is 82780412.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140872809) 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, 251006 + ... + 259394.

It is an arithmetic number, because the mean of its divisors is an integer number (40964175).

Almost surely, 22140872800 is an apocalyptic number.

2140872800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140872800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2949420600).

2140872800 is an abundant number, since it is smaller than the sum of its proper divisors (3757968400).

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

2140872800 is a wasteful number, since it uses less digits than its factorization.

2140872800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449 (or 8436 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 2140872800 is about 46269.5666718417. The cubic root of 2140872800 is about 1288.8339120867.

The spelling of 2140872800 in words is "two billion, one hundred forty million, eight hundred seventy-two thousand, eight hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 29 32 40 44 50 55 58 80 88 100 110 116 145 160 176 200 220 232 275 290 319 352 400 440 464 550 580 638 725 800 880 928 1100 1160 1276 1450 1595 1760 2200 2320 2552 2900 3190 4400 4640 5104 5800 6380 7975 8389 8800 10208 11600 12760 15950 16778 23200 25520 31900 33556 41945 51040 63800 67112 83890 92279 127600 134224 167780 184558 209725 243281 255200 268448 335560 369116 419450 461395 486562 671120 738232 838900 922790 973124 1216405 1342240 1476464 1677800 1845580 1946248 2306975 2432810 2676091 2952928 3355600 3691160 3892496 4613950 4865620 5352182 6082025 6711200 7382320 7784992 9227900 9731240 10704364 12164050 13380455 14764640 18455800 19462480 21408728 24328100 26760910 36911600 38924960 42817456 48656200 53521820 66902275 73823200 85634912 97312400 107043640 133804550 194624800 214087280 267609100 428174560 535218200 1070436400 2140872800