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20131076454623 = 171962325314101
BaseRepresentation
bin1001001001111001000011…
…01010010011100011011111
32122021111211022221022102022
410210330201222103203133
510114311421033021443
6110452031105250355
74145264561345621
oct444744152234337
978244738838368
1020131076454623
1164615a592a492
1223116549339bb
13b304771b4164
144d84c6696c11
1524d9c747de68
hex124f21a938df

20131076454623 has 8 divisors (see below), whose sum is σ = 22437113076720. Its totient is φ = 17949690460800.

The previous prime is 20131076454539. The next prime is 20131076454637. The reversal of 20131076454623 is 32645467013102.

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 20131076454623 - 234 = 20113896585439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131076451623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31162656728 + ... + 31162657373.

It is an arithmetic number, because the mean of its divisors is an integer number (2804639134590).

Almost surely, 220131076454623 is an apocalyptic number.

20131076454623 is a deficient number, since it is larger than the sum of its proper divisors (2306036622097).

20131076454623 is a wasteful number, since it uses less digits than its factorization.

20131076454623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62325314137.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 20131076454623 in words is "twenty trillion, one hundred thirty-one billion, seventy-six million, four hundred fifty-four thousand, six hundred twenty-three".

Divisors: 1 17 19 323 62325314101 1059530339717 1184180967919 20131076454623