Base | Representation |
---|---|
bin | 101100010001111… |
… | …1111110110111101 |
3 | 10211112212001210111 |
4 | 1120203333312331 |
5 | 11020333102423 |
6 | 403234310021 |
7 | 51551234410 |
oct | 13043776675 |
9 | 3745761714 |
10 | 1485831613 |
11 | 6a2793312 |
12 | 355728311 |
13 | 1a8aa1306 |
14 | 101495b77 |
15 | 8a69b60d |
hex | 588ffdbd |
1485831613 has 4 divisors (see below), whose sum is σ = 1698093280. Its totient is φ = 1273569948.
The previous prime is 1485831583. The next prime is 1485831619. The reversal of 1485831613 is 3161385841.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 1485831613 - 29 = 1485831101 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1485831619) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106130823 + ... + 106130836.
It is an arithmetic number, because the mean of its divisors is an integer number (424523320).
Almost surely, 21485831613 is an apocalyptic number.
It is an amenable number.
1485831613 is a deficient number, since it is larger than the sum of its proper divisors (212261667).
1485831613 is an equidigital number, since it uses as much as digits as its factorization.
1485831613 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212261666.
The product of its digits is 69120, while the sum is 40.
The square root of 1485831613 is about 38546.4863898125. The cubic root of 1485831613 is about 1141.0986671530.
The spelling of 1485831613 in words is "one billion, four hundred eighty-five million, eight hundred thirty-one thousand, six hundred thirteen".
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