Base | Representation |
---|---|
bin | 10011001100110… |
… | …10000010101101 |
3 | 102020001212000110 |
4 | 21212122002231 |
5 | 312213004320 |
6 | 23552050233 |
7 | 3664004451 |
oct | 1146320255 |
9 | 366055013 |
10 | 161063085 |
11 | 82a09097 |
12 | 45b33979 |
13 | 274a3601 |
14 | 17568661 |
15 | e2175e0 |
hex | 999a0ad |
161063085 has 8 divisors (see below), whose sum is σ = 257700960. Its totient is φ = 85900304.
The previous prime is 161063069. The next prime is 161063099. The reversal of 161063085 is 580360161.
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 161063085 - 24 = 161063069 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5368755 + ... + 5368784.
It is an arithmetic number, because the mean of its divisors is an integer number (32212620).
Almost surely, 2161063085 is an apocalyptic number.
161063085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
161063085 is a deficient number, since it is larger than the sum of its proper divisors (96637875).
161063085 is a wasteful number, since it uses less digits than its factorization.
161063085 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10737547.
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 161063085 is about 12691.0631942324. The cubic root of 161063085 is about 544.0832271110.
It can be divided in two parts, 16106 and 3085, that added together give a palindrome (19191).
The spelling of 161063085 in words is "one hundred sixty-one million, sixty-three thousand, eighty-five".
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