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10010001002220 = 223351091491141373
BaseRepresentation
bin1001000110101010001010…
…0011011100111011101100
31022102221120011212210202000
42101222202203130323230
52303000440224032340
633142310405132300
72052125104432212
oct221524243347354
938387504783660
1010010001002220
11320a24367300a
1211580090ba090
13577c29106c0b
142686b5472cb2
151255b2e4cd30
hex91aa28dceec

10010001002220 has 192 divisors, whose sum is σ = 31638887280000. Its totient is φ = 2627091366912.

The previous prime is 10010001002203. The next prime is 10010001002227. The reversal of 10010001002220 is 2220010001001.

10010001002220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10010001002227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8199454 + ... + 9340826.

It is an arithmetic number, because the mean of its divisors is an integer number (164785871250).

Almost surely, 210010001002220 is an apocalyptic number.

10010001002220 is a gapful number since it is divisible by the number (10) 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 10010001002220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15819443640000).

10010001002220 is an abundant number, since it is smaller than the sum of its proper divisors (21628886277780).

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

10010001002220 is a wasteful number, since it uses less digits than its factorization.

10010001002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141649 (or 1141641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10010001002220 its reverse (2220010001001), we get a palindrome (12230011003221).

The spelling of 10010001002220 in words is "ten trillion, ten billion, one million, two thousand, two hundred twenty".