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221002202010006 = 23297126576289811
BaseRepresentation
bin110010010000000000010101…
…101111101101000110010110
31001222111121022102222200120100
4302100000111233231012112
5212431400002203310011
62102011002054514530
764356611406015624
oct6220002557550626
91058447272880510
10221002202010006
1164466564578a5a
122095385a365a46
139641558ac4941
143c807c692a514
151a83b93b53d56
hexc90015bed196

221002202010006 has 24 divisors (see below), whose sum is σ = 483774579661464. Its totient is φ = 72907942930560.

The previous prime is 221002202009977. The next prime is 221002202010077. The reversal of 221002202010006 is 600010202200122.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63288143160 + ... + 63288146651.

It is an arithmetic number, because the mean of its divisors is an integer number (20157274152561).

Almost surely, 2221002202010006 is an apocalyptic number.

221002202010006 is an abundant number, since it is smaller than the sum of its proper divisors (262772377651458).

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

221002202010006 is a wasteful number, since it uses less digits than its factorization.

221002202010006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126576289916 (or 126576289913 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 221002202010006 its reverse (600010202200122), we get a palindrome (821012404210128).

The spelling of 221002202010006 in words is "two hundred twenty-one trillion, two billion, two hundred two million, ten thousand, six".

Divisors: 1 2 3 6 9 18 97 194 291 582 873 1746 126576289811 253152579622 379728869433 759457738866 1139186608299 2278373216598 12277900111667 24555800223334 36833700335001 73667400670002 110501101005003 221002202010006