Base | Representation |
---|---|
bin | 1100000011001… |
… | …01111100110101 |
3 | 21001012102220111 |
4 | 12001211330311 |
5 | 201334042020 |
6 | 14010303021 |
7 | 2335113313 |
oct | 601457465 |
9 | 231172814 |
10 | 101080885 |
11 | 5206a624 |
12 | 29a27a71 |
13 | 17c31799 |
14 | d5d30b3 |
15 | 8d19d5a |
hex | 6065f35 |
101080885 has 4 divisors (see below), whose sum is σ = 121297068. Its totient is φ = 80864704.
The previous prime is 101080877. The next prime is 101080913. The reversal of 101080885 is 588080101.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 588080101 = 7 ⋅84011443.
It can be written as a sum of positive squares in 2 ways, for example, as 31741956 + 69338929 = 5634^2 + 8327^2 .
It is a cyclic number.
It is not a de Polignac number, because 101080885 - 23 = 101080877 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10108084 + ... + 10108093.
It is an arithmetic number, because the mean of its divisors is an integer number (30324267).
Almost surely, 2101080885 is an apocalyptic number.
It is an amenable number.
101080885 is a deficient number, since it is larger than the sum of its proper divisors (20216183).
101080885 is an equidigital number, since it uses as much as digits as its factorization.
101080885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20216182.
The product of its (nonzero) digits is 2560, while the sum is 31.
The square root of 101080885 is about 10053.8989949173. The cubic root of 101080885 is about 465.8252351713.
The spelling of 101080885 in words is "one hundred one million, eighty thousand, eight hundred eighty-five".
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