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210100120010220 = 22351153107295319009
BaseRepresentation
bin101111110001010110111111…
…000001010011110111101100
31000112220101010121022210201110
4233301112333001103313230
5210014240021210311340
62022502355045512020
762153142556013466
oct5761267701236754
91015811117283643
10210100120010220
1160a42a624a0970
121b692989112610
139030482a555ab
1439c4c85ad3136
1519452bda25680
hexbf15bf053dec

210100120010220 has 384 divisors, whose sum is σ = 660238204308480. Its totient is φ = 49485956382720.

The previous prime is 210100120010083. The next prime is 210100120010293. The reversal of 210100120010220 is 22010021001012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 210100120010196 and 210100120010205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11052656076 + ... + 11052675084.

It is an arithmetic number, because the mean of its divisors is an integer number (1719370323720).

Almost surely, 2210100120010220 is an apocalyptic number.

210100120010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210100120010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330119102154240).

210100120010220 is an abundant number, since it is smaller than the sum of its proper divisors (450138084298260).

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

210100120010220 is a wasteful number, since it uses less digits than its factorization.

210100120010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22145 (or 22143 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210100120010220 its reverse (22010021001012), we get a palindrome (232110141011232).

The spelling of 210100120010220 in words is "two hundred ten trillion, one hundred billion, one hundred twenty million, ten thousand, two hundred twenty".