Base | Representation |
---|---|
bin | 1100011000000… |
… | …00111101001111 |
3 | 21020100020120211 |
4 | 12030000331033 |
5 | 203034003233 |
6 | 14145023251 |
7 | 2400252433 |
oct | 614007517 |
9 | 236306524 |
10 | 103812943 |
11 | 53666223 |
12 | 2a924b27 |
13 | 1867a1a0 |
14 | db049c3 |
15 | 91a95cd |
hex | 6300f4f |
103812943 has 8 divisors (see below), whose sum is σ = 114525936. Its totient is φ = 93489600.
The previous prime is 103812913. The next prime is 103812959. The reversal of 103812943 is 349218301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 103812943 - 217 = 103681871 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103812913) 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, 96853 + ... + 97918.
It is an arithmetic number, because the mean of its divisors is an integer number (14315742).
Almost surely, 2103812943 is an apocalyptic number.
103812943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
103812943 is a deficient number, since it is larger than the sum of its proper divisors (10712993).
103812943 is a wasteful number, since it uses less digits than its factorization.
103812943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 194825.
The product of its (nonzero) digits is 5184, while the sum is 31.
The square root of 103812943 is about 10188.8636756019. The cubic root of 103812943 is about 469.9848237140.
The spelling of 103812943 in words is "one hundred three million, eight hundred twelve thousand, nine hundred forty-three".
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