Base | Representation |
---|---|
bin | 111110000110111… |
… | …0010000011101001 |
3 | 12101020101112200020 |
4 | 1330031302003221 |
5 | 13232000101224 |
6 | 542443031053 |
7 | 102433413600 |
oct | 17415620351 |
9 | 5336345606 |
10 | 2083987689 |
11 | 97a3a1883 |
12 | 4a1b0b489 |
13 | 2729a2814 |
14 | 15aabca37 |
15 | c2e52c79 |
hex | 7c3720e9 |
2083987689 has 24 divisors (see below), whose sum is σ = 3273240960. Its totient is φ = 1175769504.
The previous prime is 2083987681. The next prime is 2083987691. The reversal of 2083987689 is 9867893802.
It is not a de Polignac number, because 2083987689 - 23 = 2083987681 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2083987681) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78114 + ... + 101339.
It is an arithmetic number, because the mean of its divisors is an integer number (136385040).
Almost surely, 22083987689 is an apocalyptic number.
It is an amenable number.
2083987689 is a deficient number, since it is larger than the sum of its proper divisors (1189253271).
2083987689 is a wasteful number, since it uses less digits than its factorization.
2083987689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179549 (or 179542 counting only the distinct ones).
The product of its (nonzero) digits is 10450944, while the sum is 60.
The square root of 2083987689 is about 45650.7140031785. The cubic root of 2083987689 is about 1277.3160903705.
The spelling of 2083987689 in words is "two billion, eighty-three million, nine hundred eighty-seven thousand, six hundred eighty-nine".
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