Base | Representation |
---|---|
bin | 100000010110000… |
… | …0001010001000111 |
3 | 2210122011000010121 |
4 | 1000230001101013 |
5 | 4210313000401 |
6 | 255405202411 |
7 | 35615511400 |
oct | 10054012107 |
9 | 2718130117 |
10 | 1085281351 |
11 | 507681a40 |
12 | 263560407 |
13 | 143ac941b |
14 | a41ca9a7 |
15 | 65429ca1 |
hex | 40b01447 |
1085281351 has 24 divisors (see below), whose sum is σ = 1380322944. Its totient is φ = 843781680.
The previous prime is 1085281333. The next prime is 1085281369. The reversal of 1085281351 is 1531825801.
It is an interprime number because it is at equal distance from previous prime (1085281333) and next prime (1085281369).
It is not a de Polignac number, because 1085281351 - 25 = 1085281319 is a prime.
It is a super-2 number, since 2×10852813512 = 2355671221656770402, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1085281391) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269116 + ... + 273118.
It is an arithmetic number, because the mean of its divisors is an integer number (57513456).
Almost surely, 21085281351 is an apocalyptic number.
1085281351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1085281351 is a deficient number, since it is larger than the sum of its proper divisors (295041593).
1085281351 is a wasteful number, since it uses less digits than its factorization.
1085281351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4531 (or 4524 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 34.
The square root of 1085281351 is about 32943.6086517552. The cubic root of 1085281351 is about 1027.6552535830.
The spelling of 1085281351 in words is "one billion, eighty-five million, two hundred eighty-one thousand, three hundred fifty-one".
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