Base | Representation |
---|---|
bin | 111110100110101… |
… | …000000100011001 |
3 | 2201012100102112221 |
4 | 332212220010121 |
5 | 4122340003420 |
6 | 252115504041 |
7 | 35012340661 |
oct | 7646500431 |
9 | 2635312487 |
10 | 1050312985 |
11 | 499968767 |
12 | 2538b8021 |
13 | 1397a4b97 |
14 | 9d6c71a1 |
15 | 6231dcaa |
hex | 3e9a8119 |
1050312985 has 16 divisors (see below), whose sum is σ = 1287187200. Its totient is φ = 822497536.
The previous prime is 1050312983. The next prime is 1050313001. The reversal of 1050312985 is 5892130501.
It is a cyclic number.
It is not a de Polignac number, because 1050312985 - 21 = 1050312983 is a prime.
It is a super-2 number, since 2×10503129852 = 2206314732919220450, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1050312985.
It is not an unprimeable number, because it can be changed into a prime (1050312983) 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, 63057 + ... + 77953.
It is an arithmetic number, because the mean of its divisors is an integer number (80449200).
Almost surely, 21050312985 is an apocalyptic number.
It is an amenable number.
1050312985 is a deficient number, since it is larger than the sum of its proper divisors (236874215).
1050312985 is a wasteful number, since it uses less digits than its factorization.
1050312985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15200.
The product of its (nonzero) digits is 10800, while the sum is 34.
The square root of 1050312985 is about 32408.5325955990. The cubic root of 1050312985 is about 1016.4973362468.
The spelling of 1050312985 in words is "one billion, fifty million, three hundred twelve thousand, nine hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •