Base | Representation |
---|---|
bin | 1010000001000100… |
… | …1110100101111111 |
3 | 20221101120210021210 |
4 | 2200101032211333 |
5 | 21001322331113 |
6 | 1122451455503 |
7 | 123430011264 |
oct | 24021164577 |
9 | 6841523253 |
10 | 2688870783 |
11 | 115a885465 |
12 | 6305b7593 |
13 | 33b0bac01 |
14 | 1b717726b |
15 | 10b0d76c3 |
hex | a044e97f |
2688870783 has 16 divisors (see below), whose sum is σ = 3688994016. Its totient is φ = 1741334400.
The previous prime is 2688870727. The next prime is 2688870809. The reversal of 2688870783 is 3870788862.
2688870783 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-2688870783 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2688870713) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67660 + ... + 99777.
It is an arithmetic number, because the mean of its divisors is an integer number (230562126).
Almost surely, 22688870783 is an apocalyptic number.
2688870783 is a deficient number, since it is larger than the sum of its proper divisors (1000123233).
2688870783 is a wasteful number, since it uses less digits than its factorization.
2688870783 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167594.
The product of its (nonzero) digits is 7225344, while the sum is 57.
The square root of 2688870783 is about 51854.3227031267. The cubic root of 2688870783 is about 1390.5607838532.
The spelling of 2688870783 in words is "two billion, six hundred eighty-eight million, eight hundred seventy thousand, seven hundred eighty-three".
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