Base | Representation |
---|---|
bin | 11001011000000011… |
… | …000011101000010001 |
3 | 2121022220001000110011 |
4 | 121120003003220101 |
5 | 421300213000311 |
6 | 20303405434521 |
7 | 1653130452010 |
oct | 313003035021 |
9 | 77286030404 |
10 | 27247000081 |
11 | 10612248494 |
12 | 5344b6ba41 |
13 | 2752c12972 |
14 | 146697aa77 |
15 | a970c5321 |
hex | 6580c3a11 |
27247000081 has 8 divisors (see below), whose sum is σ = 31604196800. Its totient is φ = 23005995408.
The previous prime is 27247000061. The next prime is 27247000091. The reversal of 27247000081 is 18000074272.
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 27247000081 - 211 = 27246998033 is a prime.
It is a super-2 number, since 2×272470000812 (a number of 22 digits) contains 22 as substring.
It is a pancake number, because a pancake can be divided into 27247000081 parts by 233439 straight cuts.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (27247000021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29047506 + ... + 29048443.
It is an arithmetic number, because the mean of its divisors is an integer number (3950524600).
Almost surely, 227247000081 is an apocalyptic number.
It is an amenable number.
27247000081 is a deficient number, since it is larger than the sum of its proper divisors (4357196719).
27247000081 is an equidigital number, since it uses as much as digits as its factorization.
27247000081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58096023.
The product of its (nonzero) digits is 6272, while the sum is 31.
The spelling of 27247000081 in words is "twenty-seven billion, two hundred forty-seven million, eighty-one", and thus it is an aban number.
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