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10021100000 = 2555234357
BaseRepresentation
bin10010101010100110…
…11101100111100000
3221212101110121212212
421111103131213200
5131010400200000
64334214541252
7503221641662
oct112523354740
927771417785
1010021100000
11428271682a
121b38067828
13c39197492
146b0c96532
153d9b79c35
hex2554dd9e0

10021100000 has 144 divisors (see below), whose sum is σ = 25737790176. Its totient is φ = 3833280000.

The previous prime is 10021099987. The next prime is 10021100009. The reversal of 10021100000 is 112001.

It is a happy number.

10021100000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021100009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2297822 + ... + 2302178.

It is an arithmetic number, because the mean of its divisors is an integer number (178734654).

Almost surely, 210021100000 is an apocalyptic number.

10021100000 is a gapful number since it is divisible by the number (10) 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 10021100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12868895088).

10021100000 is an abundant number, since it is smaller than the sum of its proper divisors (15716690176).

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

10021100000 is an frugal number, since it uses more digits than its factorization.

10021100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415 (or 4387 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 10021100000 its reverse (112001), we get a palindrome (10021212001).

The spelling of 10021100000 in words is "ten billion, twenty-one million, one hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 23 25 32 40 46 50 80 92 100 115 125 160 184 200 230 250 368 400 460 500 575 625 736 800 920 1000 1150 1250 1840 2000 2300 2500 2875 3125 3680 4000 4357 4600 5000 5750 6250 8714 9200 10000 11500 12500 14375 17428 18400 20000 21785 23000 25000 28750 34856 43570 46000 50000 57500 69712 71875 87140 92000 100000 100211 108925 115000 139424 143750 174280 200422 217850 230000 287500 348560 400844 435700 460000 501055 544625 575000 697120 801688 871400 1002110 1089250 1150000 1603376 1742800 2004220 2178500 2300000 2505275 2723125 3206752 3485600 4008440 4357000 5010550 5446250 8016880 8714000 10021100 10892500 12526375 13615625 16033760 17428000 20042200 21785000 25052750 27231250 40084400 43570000 50105500 54462500 62631875 80168800 87140000 100211000 108925000 125263750 200422000 217850000 250527500 313159375 400844000 435700000 501055000 626318750 1002110000 1252637500 2004220000 2505275000 5010550000 10021100000