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2011143011 = 2923177141
BaseRepresentation
bin111011111011111…
…1001101101100011
312012011022122120012
41313313321231203
513104323034021
6531321435135
7100560301463
oct16767715543
95164278505
102011143011
11942268569
1248163baab
13260879267
14151159ba3
15bb86435b
hex77df9b63

2011143011 has 12 divisors (see below), whose sum is σ = 2150101824. Its totient is φ = 1879130400.

The previous prime is 2011142983. The next prime is 2011143049. The reversal of 2011143011 is 1103411102.

It is not a de Polignac number, because 2011143011 - 218 = 2010880867 is a prime.

It is a super-2 number, since 2×20111430112 = 8089392421388292242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011143611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12500 + ... + 64641.

It is an arithmetic number, because the mean of its divisors is an integer number (179175152).

Almost surely, 22011143011 is an apocalyptic number.

2011143011 is a deficient number, since it is larger than the sum of its proper divisors (138958813).

2011143011 is an equidigital number, since it uses as much as digits as its factorization.

2011143011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77230 (or 77201 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2011143011 is about 44845.7691538455. The cubic root of 2011143011 is about 1262.2566034202.

Adding to 2011143011 its reverse (1103411102), we get a palindrome (3114554113).

The spelling of 2011143011 in words is "two billion, eleven million, one hundred forty-three thousand, eleven".

Divisors: 1 29 31 841 899 26071 77141 2237089 2391371 64875581 69349759 2011143011