Base | Representation |
---|---|
bin | 100001101101111… |
… | …1100111111111110 |
3 | 2220211221010200200 |
4 | 1003123330333332 |
5 | 4304114314324 |
6 | 304133504330 |
7 | 40015515546 |
oct | 10333747776 |
9 | 2824833620 |
10 | 1131401214 |
11 | 530712529 |
12 | 276aa20a6 |
13 | 150526698 |
14 | aa394326 |
15 | 694d9ec9 |
hex | 436fcffe |
1131401214 has 12 divisors (see below), whose sum is σ = 2451369336. Its totient is φ = 377133732.
The previous prime is 1131401177. The next prime is 1131401269. The reversal of 1131401214 is 4121041311.
It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 62855623 = 1131401214 / (1 + 1 + 3 + 1 + 4 + 0 + 1 + 2 + 1 + 4).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31427794 + ... + 31427829.
It is an arithmetic number, because the mean of its divisors is an integer number (204280778).
Almost surely, 21131401214 is an apocalyptic number.
1131401214 is an abundant number, since it is smaller than the sum of its proper divisors (1319968122).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1131401214 is a wasteful number, since it uses less digits than its factorization.
1131401214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62855631 (or 62855628 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
The square root of 1131401214 is about 33636.3079721898. The cubic root of 1131401214 is about 1042.0107836929.
Adding to 1131401214 its reverse (4121041311), we get a palindrome (5252442525).
The spelling of 1131401214 in words is "one billion, one hundred thirty-one million, four hundred one thousand, two hundred fourteen".
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