Base | Representation |
---|---|
bin | 111111001111011… |
… | …010011101101001 |
3 | 2201221110122110110 |
4 | 333033122131221 |
5 | 4133104131121 |
6 | 253141004533 |
7 | 35202252336 |
oct | 7717323551 |
9 | 2657418413 |
10 | 1061005161 |
11 | 4a4a00977 |
12 | 2573b3749 |
13 | 13ba79808 |
14 | a0cab98d |
15 | 63231d76 |
hex | 3f3da769 |
1061005161 has 8 divisors (see below), whose sum is σ = 1421855424. Its totient is φ = 703745840.
The previous prime is 1061005159. The next prime is 1061005219. The reversal of 1061005161 is 1615001601.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1061005161 - 21 = 1061005159 is a prime.
It is a super-2 number, since 2×10610051612 = 2251463903337271842, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1061005261) 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, 897045 + ... + 898226.
It is an arithmetic number, because the mean of its divisors is an integer number (177731928).
Almost surely, 21061005161 is an apocalyptic number.
It is an amenable number.
1061005161 is a deficient number, since it is larger than the sum of its proper divisors (360850263).
1061005161 is a wasteful number, since it uses less digits than its factorization.
1061005161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1795471.
The product of its (nonzero) digits is 180, while the sum is 21.
The square root of 1061005161 is about 32573.0741717757. The cubic root of 1061005161 is about 1019.9350083542.
Adding to 1061005161 its reverse (1615001601), we get a palindrome (2676006762).
The spelling of 1061005161 in words is "one billion, sixty-one million, five thousand, one hundred sixty-one".
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