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389192138829 = 321310985935527
BaseRepresentation
bin1011010100111011010…
…10001100000001001101
31101012120110200010200100
411222131222030001031
522334031141420304
6454443054121313
740055354411454
oct5523552140115
91335513603610
10389192138829
111400678a832a
12635177b0239
132a915477b10
1414ba0a29b9b
15a1ccb5e439
hex5a9da8c04d

389192138829 has 48 divisors (see below), whose sum is σ = 611692681600. Its totient is φ = 237022651008.

The previous prime is 389192138821. The next prime is 389192138869. The reversal of 389192138829 is 928831291983.

389192138829 is a `hidden beast` number, since 389 + 19 + 213 + 8 + 8 + 29 = 666.

It is not a de Polignac number, because 389192138829 - 23 = 389192138821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389192138821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10937064 + ... + 10972590.

Almost surely, 2389192138829 is an apocalyptic number.

389192138829 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

389192138829 is a deficient number, since it is larger than the sum of its proper divisors (222500542771).

389192138829 is a wasteful number, since it uses less digits than its factorization.

389192138829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36514 (or 36511 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 63.

The spelling of 389192138829 in words is "three hundred eighty-nine billion, one hundred ninety-two million, one hundred thirty-eight thousand, eight hundred twenty-nine".

Divisors: 1 3 9 13 39 109 117 327 859 981 1417 2577 4251 7731 11167 12753 33501 35527 93631 100503 106581 280893 319743 461851 842679 1217203 1385553 3651609 3872443 4156659 10954827 11617329 30517693 34851987 50341759 91553079 151025277 274659237 396730009 453075831 1190190027 3326428537 3570570081 9979285611 29937856833 43243570981 129730712943 389192138829