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20130224010431 = 171184130824143
BaseRepresentation
bin1001001001110111011101…
…10110011111010010111111
32122021102121220220122211012
410210323232312133102333
510114303144321313211
6110451410334345435
74145234500604603
oct444735666372277
978242556818735
1020130224010431
1164611a8729557
12231145735b27b
13b3036c6cb502
144d8445399503
1524d9776e7d8b
hex124eeed9f4bf

20130224010431 has 4 divisors (see below), whose sum is σ = 21314354834592. Its totient is φ = 18946093186272.

The previous prime is 20130224010419. The next prime is 20130224010521. The reversal of 20130224010431 is 13401042203102.

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 20130224010431 - 218 = 20130223748287 is a prime.

It is a super-2 number, since 2×201302240104312 (a number of 27 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 = 20130224010397 and 20130224010406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130224015431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592065412055 + ... + 592065412088.

It is an arithmetic number, because the mean of its divisors is an integer number (5328588708648).

Almost surely, 220130224010431 is an apocalyptic number.

20130224010431 is a deficient number, since it is larger than the sum of its proper divisors (1184130824161).

20130224010431 is a wasteful number, since it uses less digits than its factorization.

20130224010431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184130824160.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20130224010431 its reverse (13401042203102), we get a palindrome (33531266213533).

The spelling of 20130224010431 in words is "twenty trillion, one hundred thirty billion, two hundred twenty-four million, ten thousand, four hundred thirty-one".

Divisors: 1 17 1184130824143 20130224010431