Base | Representation |
---|---|
bin | 111100110011001… |
… | …111000110100001 |
3 | 2122002102121222010 |
4 | 330303033012201 |
5 | 4042114023121 |
6 | 245115303133 |
7 | 34164254664 |
oct | 7463170641 |
9 | 2562377863 |
10 | 1020064161 |
11 | 483888336 |
12 | 24574aaa9 |
13 | 13344387c |
14 | 996916db |
15 | 5e846376 |
hex | 3cccf1a1 |
1020064161 has 8 divisors (see below), whose sum is σ = 1364892640. Its totient is φ = 677639232.
The previous prime is 1020064159. The next prime is 1020064163. The reversal of 1020064161 is 1614600201.
It is an interprime number because it is at equal distance from previous prime (1020064159) and next prime (1020064163).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1020064161 - 21 = 1020064159 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1020064163) 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, 599896 + ... + 601593.
It is an arithmetic number, because the mean of its divisors is an integer number (170611580).
Almost surely, 21020064161 is an apocalyptic number.
It is an amenable number.
1020064161 is a deficient number, since it is larger than the sum of its proper divisors (344828479).
1020064161 is a wasteful number, since it uses less digits than its factorization.
1020064161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1201775.
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 1020064161 is about 31938.4433089655. The cubic root of 1020064161 is about 1006.6438156273.
Adding to 1020064161 its reverse (1614600201), we get a palindrome (2634664362).
The spelling of 1020064161 in words is "one billion, twenty million, sixty-four thousand, one hundred sixty-one".
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