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2220201121208 = 237292707505031
BaseRepresentation
bin100000010011101110010…
…011001001010110111000
321212020201122002211010212
4200103232103021112320
5242333432441334313
64415540223130252
7316255440103130
oct40235623112670
97766648084125
102220201121208
1178664471a384
122ba358a43988
13131496b188b5
147965b84bac0
153cb44b993a8
hex204ee4c95b8

2220201121208 has 64 divisors (see below), whose sum is σ = 4923455961600. Its totient is φ = 918362712960.

The previous prime is 2220201121207. The next prime is 2220201121231. The reversal of 2220201121208 is 8021211020222.

It is a happy number.

It is a super-3 number, since 3×22202011212083 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220201121207) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4143653 + ... + 4648683.

It is an arithmetic number, because the mean of its divisors is an integer number (76928999400).

Almost surely, 22220201121208 is an apocalyptic number.

2220201121208 is a gapful number since it is divisible by the number (28) 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 2220201121208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2461727980800).

2220201121208 is an abundant number, since it is smaller than the sum of its proper divisors (2703254840392).

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

2220201121208 is a wasteful number, since it uses less digits than its factorization.

2220201121208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507780 (or 507776 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The spelling of 2220201121208 in words is "two trillion, two hundred twenty billion, two hundred one million, one hundred twenty-one thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 812 1624 2707 5414 10828 18949 21656 37898 75796 78503 151592 157006 314012 505031 549521 628024 1010062 1099042 2020124 2198084 3535217 4040248 4396168 7070434 14140868 14645899 28281736 29291798 58583596 102521293 117167192 205042586 410085172 820170344 1367118917 2734237834 5468475668 9569832419 10936951336 19139664838 38279329676 39646448593 76558659352 79292897186 158585794372 277525140151 317171588744 555050280302 1110100560604 2220201121208