Base | Representation |
---|---|
bin | 1110111101000100… |
… | …01000000011010000 |
3 | 202201111221202222122 |
4 | 13132202020003100 |
5 | 112420241030440 |
6 | 3404353353412 |
7 | 402644512460 |
oct | 73642100320 |
9 | 22644852878 |
10 | 8028455120 |
11 | 344a943184 |
12 | 1680868868 |
13 | 9ac3c6b7a |
14 | 562393ba0 |
15 | 31ec6b7b5 |
hex | 1de8880d0 |
8028455120 has 120 divisors (see below), whose sum is σ = 22095026304. Its totient is φ = 2657539584.
The previous prime is 8028455117. The next prime is 8028455167. The reversal of 8028455120 is 215548208.
It is a happy number.
It is a super-2 number, since 2×80284551202 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 462437 + ... + 479483.
Almost surely, 28028455120 is an apocalyptic number.
8028455120 is a gapful number since it is divisible by the number (80) 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 8028455120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11047513152).
8028455120 is an abundant number, since it is smaller than the sum of its proper divisors (14066571184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8028455120 is a wasteful number, since it uses less digits than its factorization.
8028455120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17125 (or 17090 counting only the distinct ones).
The product of its (nonzero) digits is 25600, while the sum is 35.
The square root of 8028455120 is about 89601.6468598652. The cubic root of 8028455120 is about 2002.3684541054.
The spelling of 8028455120 in words is "eight billion, twenty-eight million, four hundred fifty-five thousand, one hundred twenty".
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