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12685424247151 = 171973787824499
BaseRepresentation
bin1011100010011000111000…
…1101001100000101101111
31122220201022000201112112021
42320212032031030011233
53130314222101402101
642551334202251011
72446330431666535
oct270461615140557
948821260645467
1012685424247151
114050949308667
12150a62aab6a67
137102cc1916a6
1431bd99176155
1516ee9c5665a1
hexb898e34c16f

12685424247151 has 8 divisors (see below), whose sum is σ = 13499806518000. Its totient is φ = 11878617625728.

The previous prime is 12685424247091. The next prime is 12685424247217. The reversal of 12685424247151 is 15174242458621.

It is a happy number.

12685424247151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12685424247151 - 213 = 12685424238959 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 (12685424248151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893908901 + ... + 1893915598.

It is an arithmetic number, because the mean of its divisors is an integer number (1687475814750).

Almost surely, 212685424247151 is an apocalyptic number.

12685424247151 is a deficient number, since it is larger than the sum of its proper divisors (814382270849).

12685424247151 is a wasteful number, since it uses less digits than its factorization.

12685424247151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787824713.

The product of its digits is 4300800, while the sum is 52.

The spelling of 12685424247151 in words is "twelve trillion, six hundred eighty-five billion, four hundred twenty-four million, two hundred forty-seven thousand, one hundred fifty-one".

Divisors: 1 17 197 3349 3787824499 64393016483 746201426303 12685424247151