Base | Representation |
---|---|
bin | 10100001001010… |
… | …11110010100101 |
3 | 102210000002120000 |
4 | 22010223302211 |
5 | 321231000401 |
6 | 24434131513 |
7 | 4121322444 |
oct | 1204536245 |
9 | 383002500 |
10 | 169000101 |
11 | 8743a306 |
12 | 48720b99 |
13 | 2902217a |
14 | 18632d5b |
15 | ec84186 |
hex | a12bca5 |
169000101 has 10 divisors (see below), whose sum is σ = 252457062. Its totient is φ = 112666680.
The previous prime is 169000061. The next prime is 169000103. The reversal of 169000101 is 101000961.
It can be written as a sum of positive squares in only one way, i.e., 161951076 + 7049025 = 12726^2 + 2655^2 .
It is not a de Polignac number, because 169000101 - 218 = 168737957 is a prime.
It is a super-2 number, since 2×1690001012 = 57122068276020402, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (169000103) by changing a digit.
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 9 ways as a sum of consecutive naturals, for example, 1043130 + ... + 1043291.
Almost surely, 2169000101 is an apocalyptic number.
It is an amenable number.
169000101 is a deficient number, since it is larger than the sum of its proper divisors (83456961).
169000101 is an equidigital number, since it uses as much as digits as its factorization.
169000101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2086433 (or 2086424 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 18.
The square root of 169000101 is about 13000.0038846148. The cubic root of 169000101 is about 552.8775915072.
The spelling of 169000101 in words is "one hundred sixty-nine million, one hundred one", and thus it is an aban number.
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