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2011140031 = 8923399661
BaseRepresentation
bin111011111011111…
…1000111110111111
312012011022111110211
41313313320332333
513104322440111
6531321413251
7100560260005
oct16767707677
95164274424
102011140031
119422662aa
1248163a227
13260877ab4
14151158a75
15bb863521
hex77df8fbf

2011140031 has 8 divisors (see below), whose sum is σ = 2034817200. Its totient is φ = 1987487040.

The previous prime is 2011140029. The next prime is 2011140073. The reversal of 2011140031 is 1300411102.

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

It is a cyclic number.

It is not a de Polignac number, because 2011140031 - 21 = 2011140029 is a prime.

It is a super-2 number, since 2×20111400312 = 8089368448581361922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011139993 and 2011140020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011140331) 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, 203341 + ... + 213001.

It is an arithmetic number, because the mean of its divisors is an integer number (254352150).

Almost surely, 22011140031 is an apocalyptic number.

2011140031 is a deficient number, since it is larger than the sum of its proper divisors (23677169).

2011140031 is an equidigital number, since it uses as much as digits as its factorization.

2011140031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12089.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2011140031 is about 44845.7359288484. The cubic root of 2011140031 is about 1262.2559799727.

Adding to 2011140031 its reverse (1300411102), we get a palindrome (3311551133).

The spelling of 2011140031 in words is "two billion, eleven million, one hundred forty thousand, thirty-one".

Divisors: 1 89 2339 9661 208171 859829 22597079 2011140031