Base | Representation |
---|---|
bin | 101110111111010101… |
… | …0110010100000001010 |
3 | 100122110112211100012101 |
4 | 1131332222302200022 |
5 | 3123130301101210 |
6 | 114205050304014 |
7 | 10201425460522 |
oct | 1357652624012 |
9 | 318415740171 |
10 | 100909393930 |
11 | 398827a4234 |
12 | 1768242800a |
13 | 9692044b67 |
14 | 4c53b44682 |
15 | 2958ebea3a |
hex | 177eab280a |
100909393930 has 32 divisors (see below), whose sum is σ = 186102282240. Its totient is φ = 39371825280.
The previous prime is 100909393891. The next prime is 100909393931. The reversal of 100909393930 is 39393909001.
It is not an unprimeable number, because it can be changed into a prime (100909393931) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2472147 + ... + 2512633.
It is an arithmetic number, because the mean of its divisors is an integer number (5815696320).
Almost surely, 2100909393930 is an apocalyptic number.
100909393930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
100909393930 is a deficient number, since it is larger than the sum of its proper divisors (85192888310).
100909393930 is a wasteful number, since it uses less digits than its factorization.
100909393930 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46614.
The product of its (nonzero) digits is 177147, while the sum is 46.
The spelling of 100909393930 in words is "one hundred billion, nine hundred nine million, three hundred ninety-three thousand, nine hundred thirty".
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