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10202212212210 = 2325178981192383
BaseRepresentation
bin1001010001110110001100…
…1111000001110111110010
31100010022200201011221222100
42110131203033001313302
52314123112311242320
633410455342321230
72102041220652504
oct224354317016762
940108621157870
1010202212212210
113283808905a77
121189310289216
135900ab8937b5
14273b0ad49d74
1512a5b26e7790
hex947633c1df2

10202212212210 has 192 divisors, whose sum is σ = 28436992496640. Its totient is φ = 2528635760640.

The previous prime is 10202212212169. The next prime is 10202212212211. The reversal of 10202212212210 is 1221221220201.

It is a happy number.

10202212212210 is a `hidden beast` number, since 1 + 0 + 2 + 0 + 221 + 221 + 221 + 0 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10202212212211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 110387679 + ... + 110480061.

It is an arithmetic number, because the mean of its divisors is an integer number (148109335920).

Almost surely, 210202212212210 is an apocalyptic number.

10202212212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10202212212210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14218496248320).

10202212212210 is an abundant number, since it is smaller than the sum of its proper divisors (18234780284430).

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

10202212212210 is a wasteful number, since it uses less digits than its factorization.

10202212212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93313 (or 93310 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10202212212210 its reverse (1221221220201), we get a palindrome (11423433432411).

The spelling of 10202212212210 in words is "ten trillion, two hundred two billion, two hundred twelve million, two hundred twelve thousand, two hundred ten".