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394144371411 = 3718768779591
BaseRepresentation
bin1011011110001001101…
…01011101001011010011
31101200100121011121122220
411233010311131023103
522424201424341121
6501022321432123
740322156610360
oct5570465351323
91350317147586
10394144371411
11142179249a2a
126447a19b643
132b22445055b
1415110615467
15a3bc7cc6c6
hex5bc4d5d2d3

394144371411 has 8 divisors (see below), whose sum is σ = 600600946944. Its totient is φ = 225225355080.

The previous prime is 394144371389. The next prime is 394144371443. The reversal of 394144371411 is 114173441493.

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

It is not a de Polignac number, because 394144371411 - 211 = 394144369363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394144371451) 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, 9384389775 + ... + 9384389816.

It is an arithmetic number, because the mean of its divisors is an integer number (75075118368).

Almost surely, 2394144371411 is an apocalyptic number.

394144371411 is a deficient number, since it is larger than the sum of its proper divisors (206456575533).

394144371411 is a wasteful number, since it uses less digits than its factorization.

394144371411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18768779601.

The product of its digits is 145152, while the sum is 42.

The spelling of 394144371411 in words is "three hundred ninety-four billion, one hundred forty-four million, three hundred seventy-one thousand, four hundred eleven".

Divisors: 1 3 7 21 18768779591 56306338773 131381457137 394144371411