Base | Representation |
---|---|
bin | 111111010001000… |
… | …010001010000001 |
3 | 2201222021020002010 |
4 | 333101002022001 |
5 | 4133211224024 |
6 | 253154043133 |
7 | 35206001532 |
oct | 7721021201 |
9 | 2658236063 |
10 | 1061429889 |
11 | 4a5170a93 |
12 | 2575794a9 |
13 | 13bb97c30 |
14 | a0d7c689 |
15 | 632b7b29 |
hex | 3f442281 |
1061429889 has 24 divisors (see below), whose sum is σ = 1608563712. Its totient is φ = 618801120.
The previous prime is 1061429881. The next prime is 1061429891. The reversal of 1061429889 is 9889241601.
It is not a de Polignac number, because 1061429889 - 23 = 1061429881 is a prime.
It is a super-2 number, since 2×10614298892 = 2253266818525104642, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1061429881) 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, 23617 + ... + 51774.
It is an arithmetic number, because the mean of its divisors is an integer number (67023488).
Almost surely, 21061429889 is an apocalyptic number.
1061429889 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
1061429889 is a deficient number, since it is larger than the sum of its proper divisors (547133823).
1061429889 is a wasteful number, since it uses less digits than its factorization.
1061429889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75445 (or 75426 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 48.
The square root of 1061429889 is about 32579.5931374227. The cubic root of 1061429889 is about 1020.0710859723.
The spelling of 1061429889 in words is "one billion, sixty-one million, four hundred twenty-nine thousand, eight hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.095 sec. • engine limits •