Base | Representation |
---|---|
bin | 11001010000100000… |
… | …011001110001000001 |
3 | 2121000001221212221111 |
4 | 121100200121301001 |
5 | 421020320201301 |
6 | 20243045523321 |
7 | 1650033143551 |
oct | 312040316101 |
9 | 77001855844 |
10 | 27120475201 |
11 | 1055788a476 |
12 | 530a713541 |
13 | 2732942b81 |
14 | 1453c43161 |
15 | a8ae31551 |
hex | 650819c41 |
27120475201 has 8 divisors (see below), whose sum is σ = 27383382504. Its totient is φ = 26858509440.
The previous prime is 27120475181. The next prime is 27120475253. The reversal of 27120475201 is 10257402172.
It can be written as a sum of positive squares in 4 ways, for example, as 925376400 + 26195098801 = 30420^2 + 161849^2 .
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 27120475201 - 211 = 27120473153 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (27120475601) 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, 177430 + ... + 292783.
It is an arithmetic number, because the mean of its divisors is an integer number (3422922813).
Almost surely, 227120475201 is an apocalyptic number.
It is an amenable number.
27120475201 is a deficient number, since it is larger than the sum of its proper divisors (262907303).
27120475201 is a wasteful number, since it uses less digits than its factorization.
27120475201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 470771.
The product of its (nonzero) digits is 7840, while the sum is 31.
Adding to 27120475201 its reverse (10257402172), we get a palindrome (37377877373).
The spelling of 27120475201 in words is "twenty-seven billion, one hundred twenty million, four hundred seventy-five thousand, two hundred one".
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