Base | Representation |
---|---|
bin | 1011010010100111… |
… | …1111000011100101 |
3 | 21211020011221010000 |
4 | 2310221333003211 |
5 | 22201402430221 |
6 | 1220430451513 |
7 | 135052160622 |
oct | 26451770345 |
9 | 7736157100 |
10 | 3030905061 |
11 | 1315959918 |
12 | 707063b99 |
13 | 393c15462 |
14 | 20a76d349 |
15 | 12b14ae26 |
hex | b4a7f0e5 |
3030905061 has 160 divisors (see below), whose sum is σ = 5402833920. Its totient is φ = 1679616000.
The previous prime is 3030905047. The next prime is 3030905077. The reversal of 3030905061 is 1605090303.
It is not a de Polignac number, because 3030905061 - 214 = 3030888677 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3030905021) by changing a digit.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 30008911 + ... + 30009011.
It is an arithmetic number, because the mean of its divisors is an integer number (33767712).
Almost surely, 23030905061 is an apocalyptic number.
3030905061 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
3030905061 is a deficient number, since it is larger than the sum of its proper divisors (2371928859).
3030905061 is a wasteful number, since it uses less digits than its factorization.
3030905061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217 (or 208 counting only the distinct ones).
The product of its (nonzero) digits is 2430, while the sum is 27.
The square root of 3030905061 is about 55053.6562001108. The cubic root of 3030905061 is about 1447.1851950376.
Adding to 3030905061 its reverse (1605090303), we get a palindrome (4635995364).
The spelling of 3030905061 in words is "three billion, thirty million, nine hundred five thousand, sixty-one".
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