Base | Representation |
---|---|
bin | 1011011110100101… |
… | …0100000011010001 |
3 | 21221201120002112010 |
4 | 2313221110003101 |
5 | 22302222414221 |
6 | 1225421453133 |
7 | 136231403565 |
oct | 26751240321 |
9 | 7851502463 |
10 | 3081060561 |
11 | 13411a6447 |
12 | 71ba111a9 |
13 | 3a1426577 |
14 | 2132a76a5 |
15 | 130756c76 |
hex | b7a540d1 |
3081060561 has 8 divisors (see below), whose sum is σ = 4115202784. Its totient is φ = 2050479360.
The previous prime is 3081060551. The next prime is 3081060589. The reversal of 3081060561 is 1650601803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 3081060561 - 29 = 3081060049 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (3081060551) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 888235 + ... + 891696.
It is an arithmetic number, because the mean of its divisors is an integer number (514400348).
Almost surely, 23081060561 is an apocalyptic number.
It is an amenable number.
3081060561 is a deficient number, since it is larger than the sum of its proper divisors (1034142223).
3081060561 is a wasteful number, since it uses less digits than its factorization.
3081060561 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1780511.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 3081060561 is about 55507.3018710151. The cubic root of 3081060561 is about 1455.1242496131.
The spelling of 3081060561 in words is "three billion, eighty-one million, sixty thousand, five hundred sixty-one".
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