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2010221210000 = 2454972072393
BaseRepresentation
bin11101010000001010100…
…001010110100110010000
321010011201202212010011102
4131100022201112212100
5230413413112210000
64135252145003532
7265143104233103
oct35201241264620
97104652763142
102010221210000
11705591515183
122857170235a8
13117742023c23
146d41c15673a
15374554d43d5
hex1d40a856990

2010221210000 has 100 divisors (see below), whose sum is σ = 4917123651132. Its totient is φ = 795798528000.

The previous prime is 2010221209993. The next prime is 2010221210017. The reversal of 2010221210000 is 121220102.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 1697037711616 + 313183498384 = 1302704^2 + 559628^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66197 + ... + 2006196.

Almost surely, 22010221210000 is an apocalyptic number.

2010221210000 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 2010221210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2458561825566).

2010221210000 is an abundant number, since it is smaller than the sum of its proper divisors (2906902441132).

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

2010221210000 is an equidigital number, since it uses as much as digits as its factorization.

2010221210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072518 (or 2072497 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2010221210000 its reverse (121220102), we get a palindrome (2010342430102).

The spelling of 2010221210000 in words is "two trillion, ten billion, two hundred twenty-one million, two hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 97 100 125 194 200 250 388 400 485 500 625 776 970 1000 1250 1552 1940 2000 2425 2500 3880 4850 5000 7760 9700 10000 12125 19400 24250 38800 48500 60625 97000 121250 194000 242500 485000 970000 2072393 4144786 8289572 10361965 16579144 20723930 33158288 41447860 51809825 82895720 103619650 165791440 201022121 207239300 259049125 402044242 414478600 518098250 804088484 828957200 1005110605 1036196500 1295245625 1608176968 2010221210 2072393000 2590491250 3216353936 4020442420 4144786000 5025553025 5180982500 8040884840 10051106050 10361965000 16081769680 20102212100 20723930000 25127765125 40204424200 50255530250 80408848400 100511060500 125638825625 201022121000 251277651250 402044242000 502555302500 1005110605000 2010221210000