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22021011110 = 257244940839
BaseRepresentation
bin10100100000100011…
…011111011010100110
32002211200102021022002
4110200203133122212
5330044334323420
614041042405302
71406462335400
oct244043373246
962750367262
1022021011110
11938031763a
124326960832
1320cc2ca6b7
1410cc88db70
1588d3ce075
hex5208df6a6

22021011110 has 24 divisors (see below), whose sum is σ = 46109301840. Its totient is φ = 7550060784.

The previous prime is 22021011109. The next prime is 22021011137. The reversal of 22021011110 is 1111012022.

It is a junction number, because it is equal to n+sod(n) for n = 22021011091 and 22021011100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22469930 + ... + 22470909.

It is an arithmetic number, because the mean of its divisors is an integer number (1921220910).

Almost surely, 222021011110 is an apocalyptic number.

22021011110 is an abundant number, since it is smaller than the sum of its proper divisors (24088290730).

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

22021011110 is a wasteful number, since it uses less digits than its factorization.

22021011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44940860 (or 44940853 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22021011110 its reverse (1111012022), we get a palindrome (23132023132).

The spelling of 22021011110 in words is "twenty-two billion, twenty-one million, eleven thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 44940839 89881678 224704195 314585873 449408390 629171746 1572929365 2202101111 3145858730 4404202222 11010505555 22021011110