Base | Representation |
---|---|
bin | 110000000011111111… |
… | …1111000000010110000 |
3 | 100212102010012222200102 |
4 | 1200013333320002300 |
5 | 3142340112301430 |
6 | 115225433211532 |
7 | 10312503266216 |
oct | 1400777700260 |
9 | 325363188612 |
10 | 103213400240 |
11 | 3a855301285 |
12 | 18005b60ba8 |
13 | 996b4906c2 |
14 | 4dd1b36cb6 |
15 | 2a413d3345 |
hex | 1807ff80b0 |
103213400240 has 20 divisors (see below), whose sum is σ = 239971155744. Its totient is φ = 41285360064.
The previous prime is 103213400239. The next prime is 103213400263. The reversal of 103213400240 is 42004312301.
It is a tau number, because it is divible by the number of its divisors (20).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is an unprimeable number.
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, 645083672 + ... + 645083831.
Almost surely, 2103213400240 is an apocalyptic number.
103213400240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
103213400240 is an abundant number, since it is smaller than the sum of its proper divisors (136757755504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103213400240 is a wasteful number, since it uses less digits than its factorization.
103213400240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1290167516 (or 1290167510 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 103213400240 its reverse (42004312301), we get a palindrome (145217712541).
The spelling of 103213400240 in words is "one hundred three billion, two hundred thirteen million, four hundred thousand, two hundred forty".
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