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120065206011 = 31911318640771
BaseRepresentation
bin110111111010001110…
…0011010011011111011
3102110220112212102022220
41233310130122123323
53431343143043021
6131053542015123
711450220261252
oct1576434323373
9373815772286
10120065206011
1146a12751393
121b3297174a3
13b425867aca
145b4dc7b799
1531caa85cc6
hex1bf471a6fb

120065206011 has 16 divisors (see below), whose sum is σ = 170003840640. Its totient is φ = 75159584640.

The previous prime is 120065205947. The next prime is 120065206031. The reversal of 120065206011 is 110602560021.

It is not a de Polignac number, because 120065206011 - 26 = 120065205947 is a prime.

It is a super-3 number, since 3×1200652060113 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (120065206031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9313945 + ... + 9326826.

It is an arithmetic number, because the mean of its divisors is an integer number (10625240040).

Almost surely, 2120065206011 is an apocalyptic number.

120065206011 is a deficient number, since it is larger than the sum of its proper divisors (49938634629).

120065206011 is a wasteful number, since it uses less digits than its factorization.

120065206011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18640906.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 120065206011 its reverse (110602560021), we get a palindrome (230667766032).

The spelling of 120065206011 in words is "one hundred twenty billion, sixty-five million, two hundred six thousand, eleven".

Divisors: 1 3 19 57 113 339 2147 6441 18640771 55922313 354174649 1062523947 2106407123 6319221369 40021735337 120065206011