Base | Representation |
---|---|
bin | 1011010000010000… |
… | …1111010001000001 |
3 | 21210112120012121201 |
4 | 2310010033101001 |
5 | 22141334304420 |
6 | 1215434421201 |
7 | 134602106200 |
oct | 26404172101 |
9 | 7715505551 |
10 | 3021009985 |
11 | 1310310574 |
12 | 703891801 |
13 | 391b5c596 |
14 | 209315237 |
15 | 12a34410a |
hex | b410f441 |
3021009985 has 24 divisors (see below), whose sum is σ = 4353129216. Its totient is φ = 2004720480.
The previous prime is 3021009983. The next prime is 3021009997. The reversal of 3021009985 is 5899001203.
It is not a de Polignac number, because 3021009985 - 21 = 3021009983 is a prime.
It is a super-3 number, since 3×30210099853 (a number of 29 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3021009983) 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, 191287 + ... + 206476.
It is an arithmetic number, because the mean of its divisors is an integer number (181380384).
Almost surely, 23021009985 is an apocalyptic number.
3021009985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3021009985 is a deficient number, since it is larger than the sum of its proper divisors (1332119231).
3021009985 is a wasteful number, since it uses less digits than its factorization.
3021009985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 397813 (or 397806 counting only the distinct ones).
The product of its (nonzero) digits is 19440, while the sum is 37.
The square root of 3021009985 is about 54963.7151673720. The cubic root of 3021009985 is about 1445.6085901221.
The spelling of 3021009985 in words is "three billion, twenty-one million, nine thousand, nine hundred eighty-five".
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