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211021002200 = 23521975355863
BaseRepresentation
bin1100010010000111010…
…1001111010111011000
3202011200102020121100002
43010201311033113120
511424132334032300
6240535224232132
721150203631521
oct3044165172730
9664612217302
10211021002200
1181547944288
1234a9260b648
1316b8c6bb158
14a2dba9b848
155750cb15d5
hex3121d4f5d8

211021002200 has 48 divisors (see below), whose sum is σ = 493114398480. Its totient is φ = 83979916160.

The previous prime is 211021002169. The next prime is 211021002221. The reversal of 211021002200 is 2200120112.

It is a happy number.

211021002200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×2110210022004 (a number of 46 digits) contains 4444 as substring.

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 11 ways as a sum of consecutive naturals, for example, 2638532 + ... + 2717331.

It is an arithmetic number, because the mean of its divisors is an integer number (10273216635).

Almost surely, 2211021002200 is an apocalyptic number.

211021002200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211021002200 is an abundant number, since it is smaller than the sum of its proper divisors (282093396280).

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

211021002200 is a wasteful number, since it uses less digits than its factorization.

211021002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356076 (or 5356067 counting only the distinct ones).

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

Adding to 211021002200 its reverse (2200120112), we get a palindrome (213221122312).

The spelling of 211021002200 in words is "two hundred eleven billion, twenty-one million, two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 197 200 394 788 985 1576 1970 3940 4925 7880 9850 19700 39400 5355863 10711726 21423452 26779315 42846904 53558630 107117260 133896575 214234520 267793150 535586300 1055105011 1071172600 2110210022 4220420044 5275525055 8440840088 10551050110 21102100220 26377625275 42204200440 52755250550 105510501100 211021002200