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22102112210 = 252210211221
BaseRepresentation
bin10100100101011000…
…110111011111010010
32010001100000122002112
4110211120313133102
5330231120042320
614053100545322
71411465565633
oct244530673722
963040018075
1022102112210
119412080042
124349b52242
132113055009
1410d956188a
1589559dec5
hex5256377d2

22102112210 has 8 divisors (see below), whose sum is σ = 39783801996. Its totient is φ = 8840844880.

The previous prime is 22102112209. The next prime is 22102112231. The reversal of 22102112210 is 1221120122.

It can be written as a sum of positive squares in 2 ways, for example, as 21661658041 + 440454169 = 147179^2 + 20987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1105105601 + ... + 1105105620.

Almost surely, 222102112210 is an apocalyptic number.

22102112210 is a deficient number, since it is larger than the sum of its proper divisors (17681689786).

22102112210 is a wasteful number, since it uses less digits than its factorization.

22102112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210211228.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22102112210 its reverse (1221120122), we get a palindrome (23323232332).

The spelling of 22102112210 in words is "twenty-two billion, one hundred two million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 2210211221 4420422442 11051056105 22102112210