Base | Representation |
---|---|
bin | 110010011000101010… |
… | …1010010000001011111 |
3 | 101100021202212020012111 |
4 | 1210301111102001133 |
5 | 3233044133013311 |
6 | 121412433014451 |
7 | 10550225335363 |
oct | 1446125220137 |
9 | 340252766174 |
10 | 108201844831 |
11 | 41985136563 |
12 | 18b786b4427 |
13 | a284b04772 |
14 | 534646b2a3 |
15 | 2c34305d21 |
hex | 193155205f |
108201844831 has 4 divisors (see below), whose sum is σ = 108674342200. Its totient is φ = 107729347464.
The previous prime is 108201844823. The next prime is 108201844847. The reversal of 108201844831 is 138448102801.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 108201844831 - 23 = 108201844823 is a prime.
It is a super-2 number, since 2×1082018448312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (108201844631) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236248341 + ... + 236248798.
It is an arithmetic number, because the mean of its divisors is an integer number (27168585550).
Almost surely, 2108201844831 is an apocalyptic number.
108201844831 is a deficient number, since it is larger than the sum of its proper divisors (472497369).
108201844831 is an equidigital number, since it uses as much as digits as its factorization.
108201844831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 472497368.
The product of its (nonzero) digits is 49152, while the sum is 40.
The spelling of 108201844831 in words is "one hundred eight billion, two hundred one million, eight hundred forty-four thousand, eight hundred thirty-one".
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