Base | Representation |
---|---|
bin | 1100100001101… |
… | …10010100011011 |
3 | 21022201121210020 |
4 | 12100312110123 |
5 | 203400030331 |
6 | 14232121523 |
7 | 2414110644 |
oct | 620662433 |
9 | 238647706 |
10 | 105080091 |
11 | 54351256 |
12 | 2b2362a3 |
13 | 18a01b8c |
14 | dd546cb |
15 | 9359c96 |
hex | 643651b |
105080091 has 8 divisors (see below), whose sum is σ = 140188944. Its totient is φ = 70012320.
The previous prime is 105080083. The next prime is 105080113. The reversal of 105080091 is 190080501.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 105080091 - 23 = 105080083 is a prime.
It is a super-2 number, since 2×1050800912 = 22083651049136562, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (105080011) 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 7 ways as a sum of consecutive naturals, for example, 3700 + ... + 14961.
It is an arithmetic number, because the mean of its divisors is an integer number (17523618).
Almost surely, 2105080091 is an apocalyptic number.
105080091 is a deficient number, since it is larger than the sum of its proper divisors (35108853).
105080091 is a wasteful number, since it uses less digits than its factorization.
105080091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20541.
The product of its (nonzero) digits is 360, while the sum is 24.
The square root of 105080091 is about 10250.8580616454. The cubic root of 105080091 is about 471.8893182855.
The spelling of 105080091 in words is "one hundred five million, eighty thousand, ninety-one".
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