Base | Representation |
---|---|
bin | 101101010001… |
… | …111110111011 |
3 | 211100001202210 |
4 | 231101332323 |
5 | 11014321024 |
6 | 1102230203 |
7 | 202615551 |
oct | 55217673 |
9 | 24301683 |
10 | 11870139 |
11 | 6778236 |
12 | 3b85363 |
13 | 25c7b68 |
14 | 180dbd1 |
15 | 1097129 |
hex | b51fbb |
11870139 has 8 divisors (see below), whose sum is σ = 16515072. Its totient is φ = 7569320.
The previous prime is 11870137. The next prime is 11870141. The reversal of 11870139 is 93107811.
It is an interprime number because it is at equal distance from previous prime (11870137) and next prime (11870141).
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 11870139 - 21 = 11870137 is a prime.
It is not an unprimeable number, because it can be changed into a prime (11870137) 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, 85947 + ... + 86084.
It is an arithmetic number, because the mean of its divisors is an integer number (2064384).
Almost surely, 211870139 is an apocalyptic number.
11870139 is a deficient number, since it is larger than the sum of its proper divisors (4644933).
11870139 is a wasteful number, since it uses less digits than its factorization.
11870139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172057.
The product of its (nonzero) digits is 1512, while the sum is 30.
The square root of 11870139 is about 3445.3068078184. The cubic root of 11870139 is about 228.1139973176.
The spelling of 11870139 in words is "eleven million, eight hundred seventy thousand, one hundred thirty-nine".
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