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1002210220191 = 31392403381823
BaseRepresentation
bin11101001010110000110…
…00100101100010011111
310112210212202100020121010
432211120120211202133
5112410011304021231
62044224203110303
7132256463212455
oct16453030454237
93483782306533
101002210220191
113570425a6054
1214229a212393
137367b16803b
1436715bc49d5
151b10a801546
hexe95862589f

1002210220191 has 8 divisors (see below), whose sum is σ = 1345893821440. Its totient is φ = 663333382872.

The previous prime is 1002210220169. The next prime is 1002210220217. The reversal of 1002210220191 is 1910220122001.

1002210220191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002210220191 - 218 = 1002209958047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002210220091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201690495 + ... + 1201691328.

It is an arithmetic number, because the mean of its divisors is an integer number (168236727680).

Almost surely, 21002210220191 is an apocalyptic number.

1002210220191 is a deficient number, since it is larger than the sum of its proper divisors (343683601249).

1002210220191 is a wasteful number, since it uses less digits than its factorization.

1002210220191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403381965.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 1002210220191 its reverse (1910220122001), we get a palindrome (2912430342192).

The spelling of 1002210220191 in words is "one trillion, two billion, two hundred ten million, two hundred twenty thousand, one hundred ninety-one".

Divisors: 1 3 139 417 2403381823 7210145469 334070073397 1002210220191