Base | Representation |
---|---|
bin | 1010000101101100… |
… | …0111001010001011 |
3 | 20222202000210110200 |
4 | 2201123013022023 |
5 | 21021302121422 |
6 | 1124422543243 |
7 | 124053436326 |
oct | 24133071213 |
9 | 6882023420 |
10 | 2708238987 |
11 | 116a804043 |
12 | 636b97b23 |
13 | 34210c89c |
14 | 1b99797bd |
15 | 10cb612ac |
hex | a16c728b |
2708238987 has 12 divisors (see below), whose sum is σ = 3913021944. Its totient is φ = 1804975200.
The previous prime is 2708238971. The next prime is 2708238991. The reversal of 2708238987 is 7898328072.
It is not a de Polignac number, because 2708238987 - 24 = 2708238971 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2708228987) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8514 + ... + 74087.
It is an arithmetic number, because the mean of its divisors is an integer number (326085162).
Almost surely, 22708238987 is an apocalyptic number.
2708238987 is a deficient number, since it is larger than the sum of its proper divisors (1204782957).
2708238987 is a wasteful number, since it uses less digits than its factorization.
2708238987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86250 (or 86247 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 54.
The square root of 2708238987 is about 52040.7435285085. The cubic root of 2708238987 is about 1393.8915818501.
The spelling of 2708238987 in words is "two billion, seven hundred eight million, two hundred thirty-eight thousand, nine hundred eighty-seven".
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