Base | Representation |
---|---|
bin | 10011110011010… |
… | …10001101001111 |
3 | 102120120021010101 |
4 | 21321222031033 |
5 | 320011010111 |
6 | 24252151531 |
7 | 4054624543 |
oct | 1171521517 |
9 | 376507111 |
10 | 166110031 |
11 | 85845a1a |
12 | 477685a7 |
13 | 2854c879 |
14 | 180bda23 |
15 | e8b2bc1 |
hex | 9e6a34f |
166110031 has 8 divisors (see below), whose sum is σ = 168376320. Its totient is φ = 163858968.
The previous prime is 166110029. The next prime is 166110053. The reversal of 166110031 is 130011661.
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 166110031 - 21 = 166110029 is a prime.
It is a super-2 number, since 2×1661100312 = 55185084797641922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 166109990 and 166110008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (166110631) 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, 19080 + ... + 26386.
It is an arithmetic number, because the mean of its divisors is an integer number (21047040).
Almost surely, 2166110031 is an apocalyptic number.
166110031 is a deficient number, since it is larger than the sum of its proper divisors (2266289).
166110031 is a wasteful number, since it uses less digits than its factorization.
166110031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7613.
The product of its (nonzero) digits is 108, while the sum is 19.
The square root of 166110031 is about 12888.3680503002. The cubic root of 166110031 is about 549.7078680023.
Adding to 166110031 its reverse (130011661), we get a palindrome (296121692).
The spelling of 166110031 in words is "one hundred sixty-six million, one hundred ten thousand, thirty-one".
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