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12534115243542 = 232089019207257
BaseRepresentation
bin1011011001100101001101…
…1111001001011000010110
31122101020202001010202021120
42312121103133021120112
53120324332000243132
642354032033224410
72432363026455324
oct266312337113026
948336661122246
1012534115243542
113aa2763322752
1214a5241a02106
136cbc676740a9
143149239dcd14
1516b093ab902c
hexb66537c9616

12534115243542 has 8 divisors (see below), whose sum is σ = 25068230487096. Its totient is φ = 4178038414512.

The previous prime is 12534115243541. The next prime is 12534115243561. The reversal of 12534115243542 is 24534251143521.

It is a sphenic number, since it is the product of 3 distinct primes.

12534115243542 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12534115243494 and 12534115243503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534115243541) 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 3 ways as a sum of consecutive naturals, for example, 1044509603623 + ... + 1044509603634.

It is an arithmetic number, because the mean of its divisors is an integer number (3133528810887).

Almost surely, 212534115243542 is an apocalyptic number.

12534115243542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12534115243542 is a wasteful number, since it uses less digits than its factorization.

12534115243542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089019207262.

The product of its digits is 576000, while the sum is 42.

The spelling of 12534115243542 in words is "twelve trillion, five hundred thirty-four billion, one hundred fifteen million, two hundred forty-three thousand, five hundred forty-two".

Divisors: 1 2 3 6 2089019207257 4178038414514 6267057621771 12534115243542