Base | Representation |
---|---|
bin | 1111010101011010… |
… | …01100000110000000 |
3 | 210020202020120101211 |
4 | 13222231030012000 |
5 | 113330031304411 |
6 | 3440530535504 |
7 | 411004432630 |
oct | 75255140600 |
9 | 23222216354 |
10 | 8232681856 |
11 | 3545152803 |
12 | 1719137594 |
13 | a12800ca9 |
14 | 5815566c0 |
15 | 332b5d221 |
hex | 1eab4c180 |
8232681856 has 64 divisors (see below), whose sum is σ = 18757579680. Its totient is φ = 3525746688.
The previous prime is 8232681833. The next prime is 8232681857. The reversal of 8232681856 is 6581862328.
It is a tau number, because it is divible by the number of its divisors (64).
It is a super-2 number, since 2×82326818562 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8232681857) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765480 + ... + 1770136.
Almost surely, 28232681856 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8232681856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9378789840).
8232681856 is an abundant number, since it is smaller than the sum of its proper divisors (10524897824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8232681856 is a wasteful number, since it uses less digits than its factorization.
8232681856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6651 (or 6639 counting only the distinct ones).
The product of its digits is 1105920, while the sum is 49.
The square root of 8232681856 is about 90734.1272950812. The cubic root of 8232681856 is about 2019.2051455603.
The spelling of 8232681856 in words is "eight billion, two hundred thirty-two million, six hundred eighty-one thousand, eight hundred fifty-six".
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