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1384939686379 = 19233169198367
BaseRepresentation
bin10100001001110100110…
…101101000100111101011
311220101202211100121001111
4110021310311220213223
5140142324024431004
62540122115531151
7202026045046114
oct24116465504753
94811684317044
101384939686379
11494393390807
121a44b15b9ab7
13a07a37311b2
144b0623a520b
152605add4a04
hex14274d689eb

1384939686379 has 8 divisors (see below), whose sum is σ = 1521215216640. Its totient is φ = 1255002552936.

The previous prime is 1384939686373. The next prime is 1384939686397. The reversal of 1384939686379 is 9736869394831.

It is a happy number.

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

It is not a de Polignac number, because 1384939686379 - 23 = 1384939686371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1384939686371) 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, 1584598747 + ... + 1584599620.

It is an arithmetic number, because the mean of its divisors is an integer number (190151902080).

Almost surely, 21384939686379 is an apocalyptic number.

1384939686379 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1384939686379 is a deficient number, since it is larger than the sum of its proper divisors (136275530261).

1384939686379 is a wasteful number, since it uses less digits than its factorization.

1384939686379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169198409.

The product of its digits is 1269789696, while the sum is 76.

The spelling of 1384939686379 in words is "one trillion, three hundred eighty-four billion, nine hundred thirty-nine million, six hundred eighty-six thousand, three hundred seventy-nine".

Divisors: 1 19 23 437 3169198367 60214768973 72891562441 1384939686379