Base | Representation |
---|---|
bin | 10011001100111… |
… | …10011001001110 |
3 | 102020002202110122 |
4 | 21212132121032 |
5 | 312214042120 |
6 | 23552304542 |
7 | 3664110434 |
oct | 1146363116 |
9 | 366082418 |
10 | 161080910 |
11 | 82a20521 |
12 | 45b42152 |
13 | 274ab763 |
14 | 17570d54 |
15 | e21ca25 |
hex | 999e64e |
161080910 has 8 divisors (see below), whose sum is σ = 289945656. Its totient is φ = 64432360.
The previous prime is 161080889. The next prime is 161080919. The reversal of 161080910 is 19080161.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×1610809103 (a number of 26 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 161080910.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (161080919) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8054036 + ... + 8054055.
It is an arithmetic number, because the mean of its divisors is an integer number (36243207).
Almost surely, 2161080910 is an apocalyptic number.
161080910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
161080910 is a deficient number, since it is larger than the sum of its proper divisors (128864746).
161080910 is a wasteful number, since it uses less digits than its factorization.
161080910 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16108098.
The product of its (nonzero) digits is 432, while the sum is 26.
The square root of 161080910 is about 12691.7654406312. The cubic root of 161080910 is about 544.1032977679.
The spelling of 161080910 in words is "one hundred sixty-one million, eighty thousand, nine hundred ten".
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