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389896764900552 = 2332713318323127887
BaseRepresentation
bin101100010100110111110101…
…0001010111100010011001000
31220010111202200220222102220200
41120221233222022330103020
5402101032033303304202
63501124033455252200
7145061053206351510
oct13051575212742310
91803452626872820
10389896764900552
11103262320220478
123789073181a060
13139731515a5190
146c3d165974840
153012199e6ce1c
hex1629bea2bc4c8

389896764900552 has 384 divisors, whose sum is σ = 1357743942696960. Its totient is φ = 98313868039680.

The previous prime is 389896764900497. The next prime is 389896764900607. The reversal of 389896764900552 is 255009467698983.

389896764900552 is a `hidden beast` number, since 3 + 8 + 9 + 8 + 9 + 6 + 76 + 490 + 0 + 5 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (389896764900497) and next prime (389896764900607).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5294353 + ... + 28422239.

It is an arithmetic number, because the mean of its divisors is an integer number (3535791517440).

Almost surely, 2389896764900552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389896764900552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678871971348480).

389896764900552 is an abundant number, since it is smaller than the sum of its proper divisors (967847177796408).

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

389896764900552 is a wasteful number, since it uses less digits than its factorization.

389896764900552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23128033 (or 23128026 counting only the distinct ones).

The product of its (nonzero) digits is 7054387200, while the sum is 81.

The spelling of 389896764900552 in words is "three hundred eighty-nine trillion, eight hundred ninety-six billion, seven hundred sixty-four million, nine hundred thousand, five hundred fifty-two".