Base | Representation |
---|---|
bin | 1011111110101… |
… | …00101100011000 |
3 | 21000002012202110 |
4 | 11333110230120 |
5 | 201211022122 |
6 | 13545432320 |
7 | 2330054562 |
oct | 577245430 |
9 | 230065673 |
10 | 100485912 |
11 | 517a360a |
12 | 2979b6a0 |
13 | 17a83a27 |
14 | d4ba332 |
15 | 8c4d90c |
hex | 5fd4b18 |
100485912 has 32 divisors (see below), whose sum is σ = 265993200. Its totient is φ = 31524864.
The previous prime is 100485907. The next prime is 100485923. The reversal of 100485912 is 219584001.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 100485912.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122737 + ... + 123552.
Almost surely, 2100485912 is an apocalyptic number.
100485912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
100485912 is an abundant number, since it is smaller than the sum of its proper divisors (165507288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100485912 is a wasteful number, since it uses less digits than its factorization.
100485912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 246315 (or 246311 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 30.
The square root of 100485912 is about 10024.2661576796. The cubic root of 100485912 is about 464.9094701782.
The spelling of 100485912 in words is "one hundred million, four hundred eighty-five thousand, nine hundred twelve".
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