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10011031211 = 67714787343
BaseRepresentation
bin10010101001011010…
…00011011010101011
3221211200112002002202
421110231003122223
5131000310444321
64333215050415
7503040234626
oct112455033253
927750462082
1010011031211
114277a69a15
121b34810a0b
13c3708050c
146ad7d4dbd
153d8d3b70b
hex254b436ab

10011031211 has 4 divisors (see below), whose sum is σ = 10025819232. Its totient is φ = 9996243192.

The previous prime is 10011031183. The next prime is 10011031223. The reversal of 10011031211 is 11213011001.

It is a happy number.

10011031211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10011031211 - 222 = 10006836907 is a prime.

It is a super-2 number, since 2×100110312112 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10011031192 and 10011031201.

It is not an unprimeable number, because it can be changed into a prime (10011031231) 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 3 ways as a sum of consecutive naturals, for example, 7392995 + ... + 7394348.

It is an arithmetic number, because the mean of its divisors is an integer number (2506454808).

Almost surely, 210011031211 is an apocalyptic number.

10011031211 is a deficient number, since it is larger than the sum of its proper divisors (14788021).

10011031211 is an equidigital number, since it uses as much as digits as its factorization.

10011031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14788020.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10011031211 its reverse (11213011001), we get a palindrome (21224042212).

The spelling of 10011031211 in words is "ten billion, eleven million, thirty-one thousand, two hundred eleven".

Divisors: 1 677 14787343 10011031211