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389828107386 = 23262969343933
BaseRepresentation
bin1011010110000111001…
…00001101110001111010
31101021012210100200112100
411223003210031301322
522341331443414021
6455030133124230
740110206145264
oct5530344156172
91337183320470
10389828107386
11140363892983
1263674789676
132a9b7158283
1414c21296b34
15a2188d4626
hex5ac390dc7a

389828107386 has 24 divisors (see below), whose sum is σ = 844643435220. Its totient is φ = 129940261056.

The previous prime is 389828107373. The next prime is 389828107393. The reversal of 389828107386 is 683701828983.

389828107386 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 349334192025 + 40493915361 = 591045^2 + 201231^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 961476 + ... + 1305408.

Almost surely, 2389828107386 is an apocalyptic number.

389828107386 is an abundant number, since it is smaller than the sum of its proper divisors (454815327834).

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

389828107386 is a wasteful number, since it uses less digits than its factorization.

389828107386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406910 (or 406907 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 389828107386 in words is "three hundred eighty-nine billion, eight hundred twenty-eight million, one hundred seven thousand, three hundred eighty-six".

Divisors: 1 2 3 6 9 18 62969 125938 188907 343933 377814 566721 687866 1031799 1133442 2063598 3095397 6190794 21657117077 43314234154 64971351231 129942702462 194914053693 389828107386