Base | Representation |
---|---|
bin | 100110010100101… |
… | …1011110001101111 |
3 | 10022121201000110120 |
4 | 1030221123301233 |
5 | 10113144230340 |
6 | 331333540023 |
7 | 43603140222 |
oct | 11451336157 |
9 | 3277630416 |
10 | 1285930095 |
11 | 5aa96834a |
12 | 2ba7a4613 |
13 | 17654caa8 |
14 | c2adb5b9 |
15 | 77d614d0 |
hex | 4ca5bc6f |
1285930095 has 8 divisors (see below), whose sum is σ = 2057488176. Its totient is φ = 685829376.
The previous prime is 1285930091. The next prime is 1285930111. The reversal of 1285930095 is 5900395821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1285930095 - 22 = 1285930091 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1285930091) 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, 42864322 + ... + 42864351.
It is an arithmetic number, because the mean of its divisors is an integer number (257186022).
Almost surely, 21285930095 is an apocalyptic number.
1285930095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1285930095 is a deficient number, since it is larger than the sum of its proper divisors (771558081).
1285930095 is an equidigital number, since it uses as much as digits as its factorization.
1285930095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85728681.
The product of its (nonzero) digits is 97200, while the sum is 42.
The square root of 1285930095 is about 35859.8674704746. The cubic root of 1285930095 is about 1087.4412091352.
The spelling of 1285930095 in words is "one billion, two hundred eighty-five million, nine hundred thirty thousand, ninety-five".
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