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1384373878494 = 23230728979749
BaseRepresentation
bin10100001001010011000…
…111001111111011011110
311220100022101200120112220
4110021103013033323132
5140140144203102434
62535550024410210
7202006034545335
oct24112307177336
94810271616486
101384373878494
11494122a66992
121a4374016966
13a0713447729
144b00b19cd1c
15260263bcd49
hex142531cfede

1384373878494 has 8 divisors (see below), whose sum is σ = 2768747757000. Its totient is φ = 461457959496.

The previous prime is 1384373878441. The next prime is 1384373878583. The reversal of 1384373878494 is 4948783734831.

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

1384373878494 is an admirable number.

It is a super-4 number, since 4×13843738784944 (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is an unprimeable number.

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, 115364489869 + ... + 115364489880.

It is an arithmetic number, because the mean of its divisors is an integer number (346093469625).

Almost surely, 21384373878494 is an apocalyptic number.

1384373878494 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.

1384373878494 is a wasteful number, since it uses less digits than its factorization.

1384373878494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230728979754.

The product of its digits is 390168576, while the sum is 69.

The spelling of 1384373878494 in words is "one trillion, three hundred eighty-four billion, three hundred seventy-three million, eight hundred seventy-eight thousand, four hundred ninety-four".

Divisors: 1 2 3 6 230728979749 461457959498 692186939247 1384373878494