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2012382900 = 2233521167757
BaseRepresentation
bin111011111110010…
…1000011010110100
312012020122122101000
41313330220122310
513110132223100
6531404203300
7100603654353
oct16774503264
95166578330
102012382900
11942a35070
12481b39530
13260bc1718
1415139d99a
15bba0b900
hex77f286b4

2012382900 has 144 divisors (see below), whose sum is σ = 7057673280. Its totient is φ = 487843200.

The previous prime is 2012382847. The next prime is 2012382901. The reversal of 2012382900 is 92832102.

It is a happy number.

It is a super-3 number, since 3×20123829003 (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012382901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4179 + ... + 63578.

It is an arithmetic number, because the mean of its divisors is an integer number (49011620).

Almost surely, 22012382900 is an apocalyptic number.

2012382900 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 2012382900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3528836640).

2012382900 is an abundant number, since it is smaller than the sum of its proper divisors (5045290380).

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

2012382900 is a wasteful number, since it uses less digits than its factorization.

2012382900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67791 (or 67778 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2012382900 is about 44859.5909477561. The cubic root of 2012382900 is about 1262.5159479082.

The spelling of 2012382900 in words is "two billion, twelve million, three hundred eighty-two thousand, nine hundred".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 27 30 33 36 44 45 50 54 55 60 66 75 90 99 100 108 110 132 135 150 165 180 198 220 225 270 275 297 300 330 396 450 495 540 550 594 660 675 825 900 990 1100 1188 1350 1485 1650 1980 2475 2700 2970 3300 4950 5940 7425 9900 14850 29700 67757 135514 203271 271028 338785 406542 609813 677570 745327 813084 1016355 1219626 1355140 1490654 1693925 1829439 2032710 2235981 2439252 2981308 3049065 3387850 3658878 3726635 4065420 4471962 5081775 6098130 6707943 6775700 7317756 7453270 8943924 9147195 10163550 11179905 12196260 13415886 14906540 15245325 18294390 18633175 20123829 20327100 22359810 26831772 30490650 33539715 36588780 37266350 40247658 44719620 45735975 55899525 60981300 67079430 74532700 80495316 91471950 100619145 111799050 134158860 167698575 182943900 201238290 223598100 335397150 402476580 503095725 670794300 1006191450 2012382900