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384121000823 = 754874428689
BaseRepresentation
bin1011001011011110110…
…01010101001101110111
31100201111001102122010012
411211233121111031313
522243134434011243
6452243542050435
736515606430530
oct5455731251567
91321431378105
10384121000823
111389a532228a
1262541419a1b
132a2b796c741
141483d32b687
159ed2854d18
hex596f655377

384121000823 has 4 divisors (see below), whose sum is σ = 438995429520. Its totient is φ = 329246572128.

The previous prime is 384121000799. The next prime is 384121000831. The reversal of 384121000823 is 328000121483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 384121000823 - 28 = 384121000567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 384121000823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384121000883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27437214338 + ... + 27437214351.

It is an arithmetic number, because the mean of its divisors is an integer number (109748857380).

Almost surely, 2384121000823 is an apocalyptic number.

384121000823 is a deficient number, since it is larger than the sum of its proper divisors (54874428697).

384121000823 is an equidigital number, since it uses as much as digits as its factorization.

384121000823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54874428696.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 384121000823 in words is "three hundred eighty-four billion, one hundred twenty-one million, eight hundred twenty-three", and thus it is an aban number.

Divisors: 1 7 54874428689 384121000823