Base | Representation |
---|---|
bin | 111110001110100… |
… | …0111100010110001 |
3 | 12101111221210022100 |
4 | 1330131013202301 |
5 | 13234012222412 |
6 | 543105131013 |
7 | 102512526315 |
oct | 17435074261 |
9 | 5344853270 |
10 | 2088007857 |
11 | 981698231 |
12 | 4a3329a69 |
13 | 27377c610 |
14 | 15b447b45 |
15 | c3498edc |
hex | 7c7478b1 |
2088007857 has 24 divisors (see below), whose sum is σ = 3301269608. Its totient is φ = 1263859200.
The previous prime is 2088007849. The next prime is 2088007871. The reversal of 2088007857 is 7587008802.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 109181601 + 1978826256 = 10449^2 + 44484^2 .
It is not a de Polignac number, because 2088007857 - 23 = 2088007849 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2088007807) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139144 + ... + 153417.
Almost surely, 22088007857 is an apocalyptic number.
It is an amenable number.
2088007857 is a deficient number, since it is larger than the sum of its proper divisors (1213261751).
2088007857 is a wasteful number, since it uses less digits than its factorization.
2088007857 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 292641 (or 292638 counting only the distinct ones).
The product of its (nonzero) digits is 250880, while the sum is 45.
The square root of 2088007857 is about 45694.7246079895. The cubic root of 2088007857 is about 1278.1369088562.
The spelling of 2088007857 in words is "two billion, eighty-eight million, seven thousand, eight hundred fifty-seven".
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