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389999996906796 = 223273148401825307
BaseRepresentation
bin101100010101100111111001…
…1010001110010110100101100
31220010212122011100012201020100
41120223033303101302310230
5402104224443202004141
63501243305235351100
7145101366330052653
oct13053176321626454
91803778140181210
10389999996906796
111032a2084a7a711
12378a8741a52490
131397cac387b643
146c44159d5219a
153014bdccc90b6
hex162b3f3472d2c

389999996906796 has 36 divisors (see below), whose sum is σ = 999337891624072. Its totient is φ = 128219177064384.

The previous prime is 389999996906731. The next prime is 389999996906797. The reversal of 389999996906796 is 697609699999983.

389999996906796 is a `hidden beast` number, since 389 + 9 + 9 + 9 + 9 + 9 + 69 + 0 + 67 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (389999996906797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74200910026 + ... + 74200915281.

Almost surely, 2389999996906796 is an apocalyptic number.

389999996906796 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

389999996906796 is an abundant number, since it is smaller than the sum of its proper divisors (609337894717276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389999996906796 is a wasteful number, since it uses less digits than its factorization.

389999996906796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148401825390 (or 148401825385 counting only the distinct ones).

The product of its (nonzero) digits is 1562079411648, while the sum is 108.

The spelling of 389999996906796 in words is "three hundred eighty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, nine hundred six thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 876 1314 2628 148401825307 296803650614 445205475921 593607301228 890410951842 1335616427763 1780821903684 2671232855526 5342465711052 10833333247411 21666666494822 32499999742233 43333332989644 64999999484466 97499999226699 129999998968932 194999998453398 389999996906796