Base | Representation |
---|---|
bin | 100000010110110… |
… | …0100010011110101 |
3 | 2210122220121121201 |
4 | 1000231210103311 |
5 | 4210413441104 |
6 | 255422012501 |
7 | 35622121210 |
oct | 10055442365 |
9 | 2718817551 |
10 | 1085687029 |
11 | 507929809 |
12 | 263717131 |
13 | 143c0bc7b |
14 | a4294777 |
15 | 654aa0a4 |
hex | 40b644f5 |
1085687029 has 8 divisors (see below), whose sum is σ = 1240984448. Its totient is φ = 930439440.
The previous prime is 1085687021. The next prime is 1085687039. The reversal of 1085687029 is 9207865801.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1085687029 - 23 = 1085687021 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1085687029.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1085687021) 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, 80479 + ... + 92995.
It is an arithmetic number, because the mean of its divisors is an integer number (155123056).
Almost surely, 21085687029 is an apocalyptic number.
It is an amenable number.
1085687029 is a deficient number, since it is larger than the sum of its proper divisors (155297419).
1085687029 is a wasteful number, since it uses less digits than its factorization.
1085687029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24915.
The product of its (nonzero) digits is 241920, while the sum is 46.
The square root of 1085687029 is about 32949.7652343685. The cubic root of 1085687029 is about 1027.7832834230.
The spelling of 1085687029 in words is "one billion, eighty-five million, six hundred eighty-seven thousand, twenty-nine".
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