| Base | Representation |
|---|---|
| bin | 1011010011000001010… |
| … | …11100100000000100000 |
| 3 | 1101002221011121211020000 |
| 4 | 11221200223210000200 |
| 5 | 22324432241322211 |
| 6 | 454153350420000 |
| 7 | 40021122550200 |
| oct | 5514053440040 |
| 9 | 1332834554200 |
| 10 | 388169089056 |
| 11 | 13a692370951 |
| 12 | 63291061600 |
| 13 | 2a7b152a318 |
| 14 | 14b04bdc400 |
| 15 | a16ce28656 |
| hex | 5a60ae4020 |
388169089056 has 360 divisors, whose sum is σ = 1331167899600. Its totient is φ = 110639063808.
The previous prime is 388169089051. The next prime is 388169089073. The reversal of 388169089056 is 650980961883.
388169089056 is a `hidden beast` number, since 388 + 169 + 0 + 8 + 90 + 5 + 6 = 666.
It is a super-2 number, since 2×3881690890562 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a junction number, because it is equal to n+sod(n) for n = 388169088984 and 388169089002.
It is not an unprimeable number, because it can be changed into a prime (388169089051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 56261095 + ... + 56267993.
It is an arithmetic number, because the mean of its divisors is an integer number (3697688610).
Almost surely, 2388169089056 is an apocalyptic number.
388169089056 is a gapful number since it is divisible by the number (36) 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 388169089056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665583949800).
388169089056 is an abundant number, since it is smaller than the sum of its proper divisors (942998810544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388169089056 is a wasteful number, since it uses less digits than its factorization.
388169089056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7378 (or 7354 counting only the distinct ones).
The product of its (nonzero) digits is 22394880, while the sum is 63.
The spelling of 388169089056 in words is "three hundred eighty-eight billion, one hundred sixty-nine million, eighty-nine thousand, fifty-six".
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