| Base | Representation |
|---|---|
| bin | 1011010101001010000… |
| … | …11111011101011000000 |
| 3 | 1101012220010100121101000 |
| 4 | 11222211003323223000 |
| 5 | 22334304440000003 |
| 6 | 454503252012000 |
| 7 | 40061423121420 |
| oct | 5524503735300 |
| 9 | 1335803317330 |
| 10 | 389316328128 |
| 11 | 140120a10612 |
| 12 | 63551301000 |
| 13 | 2a93510a800 |
| 14 | 14bb3316480 |
| 15 | a1d89e11a3 |
| hex | 5aa50fbac0 |
389316328128 has 1008 divisors, whose sum is σ = 1464160688640. Its totient is φ = 99315320832.
The previous prime is 389316328117. The next prime is 389316328139. The reversal of 389316328128 is 821823613983.
389316328128 is a `hidden beast` number, since 389 + 3 + 163 + 2 + 81 + 28 = 666.
It is an interprime number because it is at equal distance from previous prime (389316328117) and next prime (389316328139).
It is a tau number, because it is divible by the number of its divisors (1008).
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a nude number because it is divisible by every one of its digits.
Its product of digits (2985984) is a multiple of the sum of its prime factors (243).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3779770125 + ... + 3779770227.
Almost surely, 2389316328128 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 389316328128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732080344320).
389316328128 is an abundant number, since it is smaller than the sum of its proper divisors (1074844360512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
389316328128 is a wasteful number, since it uses less digits than its factorization.
389316328128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 243 (or 171 counting only the distinct ones).
The product of its digits is 2985984, while the sum is 54.
The spelling of 389316328128 in words is "three hundred eighty-nine billion, three hundred sixteen million, three hundred twenty-eight thousand, one hundred twenty-eight".
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