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1384645432849 = 7281097037123
BaseRepresentation
bin10100001001100011010…
…011001001011000010001
311220101000022122222002121
4110021203103021120101
5140141223212322344
62540033005014241
7202015542662110
oct24114323113021
94811008588077
101384645432849
11494252281778
121a442ab54381
13a0757795b93
144b035289c77
152604015d684
hex142634c9611

1384645432849 has 8 divisors (see below), whose sum is σ = 1582508445120. Its totient is φ = 1186796551056.

The previous prime is 1384645432801. The next prime is 1384645432867. The reversal of 1384645432849 is 9482345464831.

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 1384645432849 - 225 = 1384611878417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1384645432549) 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, 3321799 + ... + 3715324.

It is an arithmetic number, because the mean of its divisors is an integer number (197813555640).

Almost surely, 21384645432849 is an apocalyptic number.

It is an amenable number.

1384645432849 is a deficient number, since it is larger than the sum of its proper divisors (197863012271).

1384645432849 is an equidigital number, since it uses as much as digits as its factorization.

1384645432849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065239.

The product of its digits is 79626240, while the sum is 61.

The spelling of 1384645432849 in words is "one trillion, three hundred eighty-four billion, six hundred forty-five million, four hundred thirty-two thousand, eight hundred forty-nine".

Divisors: 1 7 28109 196763 7037123 49259861 197806490407 1384645432849