Base | Representation |
---|---|
bin | 1111000111000100… |
… | …00011100010000000 |
3 | 202221100202200122212 |
4 | 13203202003202000 |
5 | 113103223311223 |
6 | 3420551121252 |
7 | 405013414361 |
oct | 74342034200 |
9 | 22840680585 |
10 | 8112322688 |
11 | 3493216118 |
12 | 16a4973228 |
13 | 9c38ac752 |
14 | 56d585b68 |
15 | 3272d6278 |
hex | 1e3883880 |
8112322688 has 72 divisors (see below), whose sum is σ = 17097434055. Its totient is φ = 3833508096.
The previous prime is 8112322657. The next prime is 8112322693. The reversal of 8112322688 is 8862232118.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 4056161344 + 4056161344 = 63688^2 + 63688^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=63688.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19360943 + ... + 19361361.
Almost surely, 28112322688 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 8112322688
8112322688 is an abundant number, since it is smaller than the sum of its proper divisors (8985111367).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8112322688 is an frugal number, since it uses more digits than its factorization.
8112322688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 890 (or 440 counting only the distinct ones).
The product of its digits is 73728, while the sum is 41.
The square root of 8112322688 is about 90068.4333604177. The cubic root of 8112322688 is about 2009.3167556395.
Multiplying 8112322688 by its product of digits (73728), we get a square (598105327140864 = 244561922).
The spelling of 8112322688 in words is "eight billion, one hundred twelve million, three hundred twenty-two thousand, six hundred eighty-eight".
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