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389838948706 = 21391314009881
BaseRepresentation
bin1011010110001000011…
…01100100100101100010
31101021020112202111000201
411223010031210211202
522341342232324311
6455031201335414
740110400250524
oct5530415444542
91337215674021
10389838948706
11140369a18149
126367833756a
132a9b9482a5c
1414c228b9a14
15a2198269c1
hex5ac4364962

389838948706 has 8 divisors (see below), whose sum is σ = 584800494444. Its totient is φ = 194905450560.

The previous prime is 389838948691. The next prime is 389838948757. The reversal of 389838948706 is 607849838983.

It can be written as a sum of positive squares in 2 ways, for example, as 387891050481 + 1947898225 = 622809^2 + 44135^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6977115 + ... + 7032766.

Almost surely, 2389838948706 is an apocalyptic number.

389838948706 is a deficient number, since it is larger than the sum of its proper divisors (194961545738).

389838948706 is a wasteful number, since it uses less digits than its factorization.

389838948706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14023796.

The product of its (nonzero) digits is 501645312, while the sum is 73.

The spelling of 389838948706 in words is "three hundred eighty-nine billion, eight hundred thirty-eight million, nine hundred forty-eight thousand, seven hundred six".

Divisors: 1 2 13913 27826 14009881 28019762 194919474353 389838948706