Base | Representation |
---|---|
bin | 100000010110110… |
… | …0000000101000001 |
3 | 2210122212201211210 |
4 | 1000231200011001 |
5 | 4210412412242 |
6 | 255421400333 |
7 | 35622016530 |
oct | 10055400501 |
9 | 2718781753 |
10 | 1085669697 |
11 | 507917792 |
12 | 2637090a9 |
13 | 143c04108 |
14 | a428c317 |
15 | 654a4d9c |
hex | 40b60141 |
1085669697 has 16 divisors (see below), whose sum is σ = 1655063552. Its totient is φ = 620116560.
The previous prime is 1085669681. The next prime is 1085669701. The reversal of 1085669697 is 7969665801.
It is a happy number.
It is not a de Polignac number, because 1085669697 - 24 = 1085669681 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1085669617) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45822 + ... + 65352.
It is an arithmetic number, because the mean of its divisors is an integer number (103441472).
Almost surely, 21085669697 is an apocalyptic number.
It is an amenable number.
1085669697 is a deficient number, since it is larger than the sum of its proper divisors (569393855).
1085669697 is a wasteful number, since it uses less digits than its factorization.
1085669697 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22188.
The product of its (nonzero) digits is 4898880, while the sum is 57.
The square root of 1085669697 is about 32949.5022268926. The cubic root of 1085669697 is about 1027.7778141874. Note that the first 3 decimals are identical.
The spelling of 1085669697 in words is "one billion, eighty-five million, six hundred sixty-nine thousand, six hundred ninety-seven".
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