Base | Representation |
---|---|
bin | 1011011111111100… |
… | …1101111000110001 |
3 | 21222010100210221211 |
4 | 2313333031320301 |
5 | 22310210134411 |
6 | 1230144520121 |
7 | 136331250100 |
oct | 26777157061 |
9 | 7863323854 |
10 | 3086802481 |
11 | 1344468434 |
12 | 721920041 |
13 | 3a2686c59 |
14 | 213d60037 |
15 | 130edd221 |
hex | b7fcde31 |
3086802481 has 9 divisors (see below), whose sum is σ = 3591222699. Its totient is φ = 2645497344.
The previous prime is 3086802479. The next prime is 3086802517. The reversal of 3086802481 is 1842086803.
The square root of 3086802481 is 55559.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 3061962225 + 24840256 = 55335^2 + 4984^2 .
It is not a de Polignac number, because 3086802481 - 21 = 3086802479 is a prime.
It is a super-2 number, since 2×30868024812 = 19056699113415510722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (3086802431) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 384945 + ... + 392881.
Almost surely, 23086802481 is an apocalyptic number.
3086802481 is the 55559-th square number.
3086802481 is the 27780-th centered octagonal number.
It is an amenable number.
3086802481 is a deficient number, since it is larger than the sum of its proper divisors (504420218).
3086802481 is an frugal number, since it uses more digits than its factorization.
3086802481 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15888 (or 7944 counting only the distinct ones).
The product of its (nonzero) digits is 73728, while the sum is 40.
The cubic root of 3086802481 is about 1456.0276205929.
The spelling of 3086802481 in words is "three billion, eighty-six million, eight hundred two thousand, four hundred eighty-one".
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