Base | Representation |
---|---|
bin | 10011001100110… |
… | …11011111111010 |
3 | 102020002011012101 |
4 | 21212123133322 |
5 | 312213202200 |
6 | 23552134014 |
7 | 3664031032 |
oct | 1146333772 |
9 | 366064171 |
10 | 161069050 |
11 | 82a1261a |
12 | 45b3730a |
13 | 274a623c |
14 | 1756a8c2 |
15 | e21926a |
hex | 999b7fa |
161069050 has 24 divisors (see below), whose sum is σ = 317212956. Its totient is φ = 60637440.
The previous prime is 161069039. The next prime is 161069059. The reversal of 161069050 is 50960161.
It can be written as a sum of positive squares in 6 ways, for example, as 81306289 + 79762761 = 9017^2 + 8931^2 .
It is not an unprimeable number, because it can be changed into a prime (161069059) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93897 + ... + 95596.
Almost surely, 2161069050 is an apocalyptic number.
161069050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
161069050 is a deficient number, since it is larger than the sum of its proper divisors (156143906).
161069050 is a wasteful number, since it uses less digits than its factorization.
161069050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189522 (or 189517 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 28.
The square root of 161069050 is about 12691.2981999479. The cubic root of 161069050 is about 544.0899437678.
The spelling of 161069050 in words is "one hundred sixty-one million, sixty-nine thousand, fifty".
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