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2001002300 = 22521123139569
BaseRepresentation
bin111011101000100…
…1101111100111100
312011110020110010022
41313101031330330
513044224033200
6530320231312
7100405144643
oct16721157474
95143213108
102001002300
11937571710
1247a16b538
1325b73863b
1414da7a35a
15baa0e885
hex7744df3c

2001002300 has 144 divisors (see below), whose sum is σ = 4987180800. Its totient is φ = 689779200.

The previous prime is 2001002293. The next prime is 2001002317. The reversal of 2001002300 is 32001002.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3516416 + ... + 3516984.

It is an arithmetic number, because the mean of its divisors is an integer number (34633200).

Almost surely, 22001002300 is an apocalyptic number.

2001002300 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 2001002300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2493590400).

2001002300 is an abundant number, since it is smaller than the sum of its proper divisors (2986178500).

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

2001002300 is a wasteful number, since it uses less digits than its factorization.

2001002300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2001002300 is about 44732.5642010382. The cubic root of 2001002300 is about 1260.1314845571.

Adding to 2001002300 its reverse (32001002), we get a palindrome (2033003302).

The spelling of 2001002300 in words is "two billion, one million, two thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 23 25 44 46 50 55 92 100 110 115 139 220 230 253 275 278 460 506 550 556 569 575 695 1012 1100 1138 1150 1265 1390 1529 2276 2300 2530 2780 2845 3058 3197 3475 5060 5690 6116 6259 6325 6394 6950 7645 11380 12518 12650 12788 13087 13900 14225 15290 15985 25036 25300 26174 28450 30580 31295 31970 35167 38225 52348 56900 62590 63940 65435 70334 76450 79091 79925 125180 130870 140668 143957 152900 156475 158182 159850 175835 261740 287914 312950 316364 319700 327175 351670 395455 575828 625900 654350 703340 719785 790910 870001 879175 1308700 1439570 1581820 1740002 1758350 1819093 1977275 2879140 3480004 3516700 3598925 3638186 3954550 4350005 7197850 7276372 7909100 8700010 9095465 14395700 17400020 18190930 20010023 21750025 36381860 40020046 43500050 45477325 80040092 87000100 90954650 100050115 181909300 200100230 400200460 500250575 1000501150 2001002300