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389640589248 = 2636013376669
BaseRepresentation
bin1011010101110000110…
…00111000111111000000
31101020201201111210000010
411222320120320333000
522340440442323443
6454555354024520
740102441235211
oct5527030707700
91336651453003
10389640589248
11140277a55809
1263621a18140
132a9873513b1
1414c04403408
15a2071e3733
hex5ab8638fc0

389640589248 has 56 divisors (see below), whose sum is σ = 1032639712720. Its totient is φ = 129664051200.

The previous prime is 389640589213. The next prime is 389640589307. The reversal of 389640589248 is 842985046983.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572943 + ... + 1803726.

It is an arithmetic number, because the mean of its divisors is an integer number (18439994870).

Almost surely, 2389640589248 is an apocalyptic number.

It is an amenable number.

389640589248 is an abundant number, since it is smaller than the sum of its proper divisors (642999123472).

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

389640589248 is a wasteful number, since it uses less digits than its factorization.

389640589248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377285 (or 3377275 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 66.

The spelling of 389640589248 in words is "three hundred eighty-nine billion, six hundred forty million, five hundred eighty-nine thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 601 1202 1803 2404 3606 4808 7212 9616 14424 19232 28848 38464 57696 115392 3376669 6753338 10130007 13506676 20260014 27013352 40520028 54026704 81040056 108053408 162080112 216106816 324160224 648320448 2029378069 4058756138 6088134207 8117512276 12176268414 16235024552 24352536828 32470049104 48705073656 64940098208 97410147312 129880196416 194820294624 389640589248