Base | Representation |
---|---|
bin | 1000100110010010… |
… | …1110110110100000 |
3 | 12221212010000111122 |
4 | 2021210232312200 |
5 | 14211333421210 |
6 | 1021010431412 |
7 | 111124406624 |
oct | 21144566640 |
9 | 5855100448 |
10 | 2308107680 |
11 | a8495950a |
12 | 544b92568 |
13 | 2aa2535b8 |
14 | 17c77d184 |
15 | d7973b55 |
hex | 8992eda0 |
2308107680 has 144 divisors (see below), whose sum is σ = 5985546840. Its totient is φ = 838139904.
The previous prime is 2308107643. The next prime is 2308107713. The reversal of 2308107680 is 867018032.
It can be written as a sum of positive squares in 12 ways, for example, as 341362576 + 1966745104 = 18476^2 + 44348^2 .
It is a super-2 number, since 2×23081076802 = 10654722124949964800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2308107680.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2287016 + ... + 2288024.
Almost surely, 22308107680 is an apocalyptic number.
2308107680 is a gapful number since it is divisible by the number (20) 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 2308107680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2992773420).
2308107680 is an abundant number, since it is smaller than the sum of its proper divisors (3677439160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2308107680 is a wasteful number, since it uses less digits than its factorization.
2308107680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1099 (or 1062 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 2308107680 is about 48042.7692790497. The cubic root of 2308107680 is about 1321.5553444704. Note that the first 3 decimals are identical.
The spelling of 2308107680 in words is "two billion, three hundred eight million, one hundred seven thousand, six hundred eighty".
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