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10020091011 = 371034632497
BaseRepresentation
bin10010101010011111…
…00111010010000011
3221212022120100210220
421111033213102003
5131010120403021
64334141154123
7503210240220
oct112517472203
927768510726
1010020091011
114282097757
121b3785b943
13c38c03148
146b0ab2947
153d9a2acc6
hex2553e7483

10020091011 has 16 divisors (see below), whose sum is σ = 15416953344. Its totient is φ = 5670175104.

The previous prime is 10020090947. The next prime is 10020091019. The reversal of 10020091011 is 11019002001.

10020091011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10020091011 - 26 = 10020090947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10020091019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2314086 + ... + 2318411.

It is an arithmetic number, because the mean of its divisors is an integer number (963559584).

Almost surely, 210020091011 is an apocalyptic number.

10020091011 is a deficient number, since it is larger than the sum of its proper divisors (5396862333).

10020091011 is a wasteful number, since it uses less digits than its factorization.

10020091011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632610.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 10020091011 its reverse (11019002001), we get a palindrome (21039093012).

The spelling of 10020091011 in words is "ten billion, twenty million, ninety-one thousand, eleven".

Divisors: 1 3 7 21 103 309 721 2163 4632497 13897491 32427479 97282437 477147191 1431441573 3340030337 10020091011