Base | Representation |
---|---|
bin | 1011010100011000010… |
… | …11100011001101110010 |
3 | 1101011211000212210100220 |
4 | 11222030023203031302 |
5 | 22332431104112311 |
6 | 454354020553510 |
7 | 40045164030360 |
oct | 5521413431562 |
9 | 1334730783326 |
10 | 388898894706 |
11 | 13aa27318713 |
12 | 63455552896 |
13 | 2a8997a409a |
14 | 14b73ad4630 |
15 | a1b2037206 |
hex | 5a8c2e3372 |
388898894706 has 256 divisors, whose sum is σ = 976439439360. Its totient is φ = 100895155200.
The previous prime is 388898894689. The next prime is 388898894711. The reversal of 388898894706 is 607498898883.
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 127 ways as a sum of consecutive naturals, for example, 195720645 + ... + 195722631.
It is an arithmetic number, because the mean of its divisors is an integer number (3814216560).
Almost surely, 2388898894706 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 388898894706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488219719680).
388898894706 is an abundant number, since it is smaller than the sum of its proper divisors (587540544654).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
388898894706 is a wasteful number, since it uses less digits than its factorization.
388898894706 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2209.
The product of its (nonzero) digits is 1337720832, while the sum is 78.
The spelling of 388898894706 in words is "three hundred eighty-eight billion, eight hundred ninety-eight million, eight hundred ninety-four thousand, seven hundred six".
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