Base | Representation |
---|---|
bin | 1000001011001011… |
… | …11101101000000000 |
3 | 102022212022101210210 |
4 | 10011211331220000 |
5 | 32442013230440 |
6 | 2003255154120 |
7 | 213521141130 |
oct | 40545755000 |
9 | 12285271723 |
10 | 4388805120 |
11 | 1952403277 |
12 | a25975940 |
13 | 54c34360b |
14 | 2d8c42ac0 |
15 | 1aa476a80 |
hex | 10597da00 |
4388805120 has 160 divisors (see below), whose sum is σ = 16035009408. Its totient is φ = 1003143168.
The previous prime is 4388805077. The next prime is 4388805121. The reversal of 4388805120 is 215088834.
It is a tau number, because it is divible by the number of its divisors (160).
It is a super-2 number, since 2×43888051202 = 38523220762676428800, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (4388805121) 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 15 ways as a sum of consecutive naturals, for example, 12942 + ... + 94578.
Almost surely, 24388805120 is an apocalyptic number.
4388805120 is a gapful number since it is divisible by the number (40) 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 4388805120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8017504704).
4388805120 is an abundant number, since it is smaller than the sum of its proper divisors (11646204288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4388805120 is an equidigital number, since it uses as much as digits as its factorization.
4388805120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81670 (or 81654 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 39.
The square root of 4388805120 is about 66248.0574809556. The cubic root of 4388805120 is about 1637.2516331350.
The spelling of 4388805120 in words is "four billion, three hundred eighty-eight million, eight hundred five thousand, one hundred twenty".
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