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385999000001 = 523173790671
BaseRepresentation
bin1011001110111110101…
…01010101000111000001
31100220022221012212200022
411213133111111013001
522311011221000001
6453154150103225
736613262236016
oct5473725250701
91326287185608
10385999000001
1113977941091a
126298634ab15
132a526a6c264
141497a90970d
15a09266911b
hex59df5551c1

385999000001 has 4 divisors (see below), whose sum is σ = 386072795904. Its totient is φ = 385925204100.

The previous prime is 385998999949. The next prime is 385999000069. The reversal of 385999000001 is 100000999583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 385999000001 - 218 = 385998737857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385999000301) 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, 36890105 + ... + 36900566.

It is an arithmetic number, because the mean of its divisors is an integer number (96518198976).

Almost surely, 2385999000001 is an apocalyptic number.

It is an amenable number.

385999000001 is a deficient number, since it is larger than the sum of its proper divisors (73795903).

385999000001 is an equidigital number, since it uses as much as digits as its factorization.

385999000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73795902.

The product of its (nonzero) digits is 87480, while the sum is 44.

Adding to 385999000001 its reverse (100000999583), we get a palindrome (485999999584).

The spelling of 385999000001 in words is "three hundred eighty-five billion, nine hundred ninety-nine million, one", and thus it is an aban number.

Divisors: 1 5231 73790671 385999000001