Base | Representation |
---|---|
bin | 1010101110111100… |
… | …0010001111101001 |
3 | 21102210112211212120 |
4 | 2223233002033221 |
5 | 21400043441042 |
6 | 1153522501453 |
7 | 131254040553 |
oct | 25357021751 |
9 | 7383484776 |
10 | 2881233897 |
11 | 1249421743 |
12 | 684b04889 |
13 | 36bc00139 |
14 | 1d492c4d3 |
15 | 11ce33dec |
hex | abbc23e9 |
2881233897 has 32 divisors (see below), whose sum is σ = 4208993280. Its totient is φ = 1747394880.
The previous prime is 2881233893. The next prime is 2881233911. The reversal of 2881233897 is 7983321882.
It is not a de Polignac number, because 2881233897 - 22 = 2881233893 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2881233893) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123322 + ... + 144812.
It is an arithmetic number, because the mean of its divisors is an integer number (131531040).
Almost surely, 22881233897 is an apocalyptic number.
It is an amenable number.
2881233897 is a deficient number, since it is larger than the sum of its proper divisors (1327759383).
2881233897 is a wasteful number, since it uses less digits than its factorization.
2881233897 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21613.
The product of its digits is 1161216, while the sum is 51.
The square root of 2881233897 is about 53677.1263854540. The cubic root of 2881233897 is about 1422.9604798214.
The spelling of 2881233897 in words is "two billion, eight hundred eighty-one million, two hundred thirty-three thousand, eight hundred ninety-seven".
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