Base | Representation |
---|---|
bin | 1010000000110011… |
… | …0010101100101100 |
3 | 20221022101201011211 |
4 | 2200030302230230 |
5 | 21001023123243 |
6 | 1122410524204 |
7 | 123414066142 |
oct | 24014625454 |
9 | 6838351154 |
10 | 2687707948 |
11 | 115a160842 |
12 | 630136664 |
13 | 33aaa1843 |
14 | 1b6d53592 |
15 | 10ae57d9d |
hex | a0332b2c |
2687707948 has 54 divisors (see below), whose sum is σ = 4969991796. Its totient is φ = 1271095056.
The previous prime is 2687707937. The next prime is 2687707969. The reversal of 2687707948 is 8497077862.
It is a junction number, because it is equal to n+sod(n) for n = 2687707892 and 2687707901.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 40115011 + ... + 40115077.
Almost surely, 22687707948 is an apocalyptic number.
It is an amenable number.
2687707948 is a deficient number, since it is larger than the sum of its proper divisors (2282283848).
2687707948 is an equidigital number, since it uses as much as digits as its factorization.
2687707948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 299 (or 171 counting only the distinct ones).
The product of its (nonzero) digits is 9483264, while the sum is 58.
The square root of 2687707948 is about 51843.1089731316. The cubic root of 2687707948 is about 1390.3602999535.
The spelling of 2687707948 in words is "two billion, six hundred eighty-seven million, seven hundred seven thousand, nine hundred forty-eight".
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