Base | Representation |
---|---|
bin | 100001001111010… |
… | …0101100011110101 |
3 | 2212201122211202112 |
4 | 1002132211203311 |
5 | 4241010030141 |
6 | 302401020405 |
7 | 36432005354 |
oct | 10236454365 |
9 | 2781584675 |
10 | 1115314421 |
11 | 522625261 |
12 | 271624705 |
13 | 14a0b3480 |
14 | a81a799b |
15 | 67dad7eb |
hex | 427a58f5 |
1115314421 has 16 divisors (see below), whose sum is σ = 1298505600. Its totient is φ = 948967488.
The previous prime is 1115314411. The next prime is 1115314471. The reversal of 1115314421 is 1244135111.
It is a cyclic number.
It is not a de Polignac number, because 1115314421 - 222 = 1111120117 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1115314411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51881 + ... + 70158.
It is an arithmetic number, because the mean of its divisors is an integer number (81156600).
Almost surely, 21115314421 is an apocalyptic number.
It is an amenable number.
1115314421 is a deficient number, since it is larger than the sum of its proper divisors (183191179).
1115314421 is a wasteful number, since it uses less digits than its factorization.
1115314421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122108.
The product of its digits is 480, while the sum is 23.
The square root of 1115314421 is about 33396.3234653158. The cubic root of 1115314421 is about 1037.0485912756.
Adding to 1115314421 its reverse (1244135111), we get a palindrome (2359449532).
The spelling of 1115314421 in words is "one billion, one hundred fifteen million, three hundred fourteen thousand, four hundred twenty-one".
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