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20130123130229 = 759731036482407
BaseRepresentation
bin1001001001110111010001…
…10101101010010101110101
32122021102100220002102012102
410210323220311222111311
510114302443010131404
6110451352332231445
74145232134255330
oct444735065522565
978242326072172
1020130123130229
116461156796792
12231142960b585
13b3035483a198
144d8435c19617
1524d96d91c71e
hex124ee8d6a575

20130123130229 has 32 divisors (see below), whose sum is σ = 23946533744640. Its totient is φ = 16567162803072.

The previous prime is 20130123130217. The next prime is 20130123130237. The reversal of 20130123130229 is 92203132103102.

It is not a de Polignac number, because 20130123130229 - 24 = 20130123130213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130123130529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135857 + ... + 6346550.

It is an arithmetic number, because the mean of its divisors is an integer number (748329179520).

Almost surely, 220130123130229 is an apocalyptic number.

It is an amenable number.

20130123130229 is a deficient number, since it is larger than the sum of its proper divisors (3816410614411).

20130123130229 is a wasteful number, since it uses less digits than its factorization.

20130123130229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6482649.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 20130123130229 in words is "twenty trillion, one hundred thirty billion, one hundred twenty-three million, one hundred thirty thousand, two hundred twenty-nine".

Divisors: 1 7 59 73 103 413 511 721 4307 6077 7519 30149 42539 52633 443621 3105347 6482407 45376849 382462013 473215711 667687921 2677234091 3312509977 4673815447 27919726949 39393587339 48741218233 195438088643 275755111373 341188527631 2875731875747 20130123130229