Base | Representation |
---|---|
bin | 110010000100111… |
… | …0001101000110111 |
3 | 11100002202021121201 |
4 | 1210021301220313 |
5 | 11420123043330 |
6 | 434422153331 |
7 | 56432115541 |
oct | 14411615067 |
9 | 4302667551 |
10 | 1680284215 |
11 | 792527445 |
12 | 3aa882847 |
13 | 20a16561c |
14 | 11d232691 |
15 | 9c7abeca |
hex | 64271a37 |
1680284215 has 8 divisors (see below), whose sum is σ = 2085870240. Its totient is φ = 1297874592.
The previous prime is 1680284189. The next prime is 1680284231. The reversal of 1680284215 is 5124820861.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1680284215 - 217 = 1680153143 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5793939 + ... + 5794228.
It is an arithmetic number, because the mean of its divisors is an integer number (260733780).
Almost surely, 21680284215 is an apocalyptic number.
1680284215 is a deficient number, since it is larger than the sum of its proper divisors (405586025).
1680284215 is a wasteful number, since it uses less digits than its factorization.
1680284215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11588201.
The product of its (nonzero) digits is 30720, while the sum is 37.
The square root of 1680284215 is about 40991.2699852054. The cubic root of 1680284215 is about 1188.8514245416.
The spelling of 1680284215 in words is "one billion, six hundred eighty million, two hundred eighty-four thousand, two hundred fifteen".
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