| Base | Representation |
|---|---|
| bin | 1011010001100001111… |
| … | …10101111110010000000 |
| 3 | 1101000212101202112000000 |
| 4 | 11220300332233302000 |
| 5 | 22321312403433043 |
| 6 | 453542122000000 |
| 7 | 36662234400000 |
| oct | 5506076576200 |
| 9 | 1330771675000 |
| 10 | 387368811648 |
| 11 | 13a311660665 |
| 12 | 630a9046000 |
| 13 | 2a6b47ab0b0 |
| 14 | 14a6a800000 |
| 15 | a122a492d3 |
| hex | 5a30fafc80 |
387368811648 has 1344 divisors, whose sum is σ = 1530212241600. Its totient is φ = 96786192384.
The previous prime is 387368811601. The next prime is 387368811649. The reversal of 387368811648 is 846118863783.
387368811648 is a `hidden beast` number, since 38 + 7 + 368 + 81 + 164 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (1344).
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387368811649) by changing a digit.
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 167 ways as a sum of consecutive naturals, for example, 20387832183 + ... + 20387832201.
It is an arithmetic number, because the mean of its divisors is an integer number (1138550775).
Almost surely, 2387368811648 is an apocalyptic number.
387368811648 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 387368811648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765106120800).
387368811648 is an abundant number, since it is smaller than the sum of its proper divisors (1142843429952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387368811648 is an frugal number, since it uses more digits than its factorization.
387368811648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99 (or 44 counting only the distinct ones).
The product of its digits is 37158912, while the sum is 63.
The spelling of 387368811648 in words is "three hundred eighty-seven billion, three hundred sixty-eight million, eight hundred eleven thousand, six hundred forty-eight".
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