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389399315798 = 2363195360821
BaseRepresentation
bin1011010101010100000…
…00100000010101010110
31101020002220111211001102
411222222000200111112
522334442211101143
6454515414430102
740063451400113
oct5525200402526
91336086454042
10389399315798
11140163842469
1263575062332
132a949375a3c
1414bc035990a
15a1e0e350b8
hex5aaa020556

389399315798 has 8 divisors (see below), whose sum is σ = 584115165120. Its totient is φ = 194694260760.

The previous prime is 389399315771. The next prime is 389399315861. The reversal of 389399315798 is 897513993983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2607773 + ... + 2753048.

It is an arithmetic number, because the mean of its divisors is an integer number (73014395640).

Almost surely, 2389399315798 is an apocalyptic number.

389399315798 is a deficient number, since it is larger than the sum of its proper divisors (194715849322).

389399315798 is a wasteful number, since it uses less digits than its factorization.

389399315798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5397142.

The product of its digits is 396809280, while the sum is 74.

The spelling of 389399315798 in words is "three hundred eighty-nine billion, three hundred ninety-nine million, three hundred fifteen thousand, seven hundred ninety-eight".

Divisors: 1 2 36319 72638 5360821 10721642 194699657899 389399315798