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868389000047 = 19139967326539
BaseRepresentation
bin11001010001100000000…
…01001001001101101111
310002000110112002220101022
430220300001021031233
5103211430041000142
61502533222004355
7116511326465552
oct14506001111557
93060415086338
10868389000047
11305310a51748
121203718766bb
1363b727094ca
143005d022699
15178c727e6d2
hexca3004936f

868389000047 has 8 divisors (see below), whose sum is σ = 914103014400. Its totient is φ = 822675918744.

The previous prime is 868389000043. The next prime is 868389000053. The reversal of 868389000047 is 740000983868.

It is a happy number.

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 868389000047 - 22 = 868389000043 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 (868389000043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2496104 + ... + 2822642.

It is an arithmetic number, because the mean of its divisors is an integer number (114262876800).

Almost surely, 2868389000047 is an apocalyptic number.

868389000047 is a deficient number, since it is larger than the sum of its proper divisors (45714014353).

868389000047 is a wasteful number, since it uses less digits than its factorization.

868389000047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466525.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The spelling of 868389000047 in words is "eight hundred sixty-eight billion, three hundred eighty-nine million, forty-seven", and thus it is an aban number.