Base | Representation |
---|---|
bin | 1100010010111… |
… | …01001010011011 |
3 | 21012002011021200 |
4 | 12021131022123 |
5 | 202401021133 |
6 | 14122405243 |
7 | 2361456444 |
oct | 611351233 |
9 | 235064250 |
10 | 103142043 |
11 | 53248164 |
12 | 2a660823 |
13 | 184a39c4 |
14 | d9ac2cb |
15 | 90c5913 |
hex | 625d29b |
103142043 has 12 divisors (see below), whose sum is σ = 157746888. Its totient is φ = 64716480.
The previous prime is 103142041. The next prime is 103142057. The reversal of 103142043 is 340241301.
It is not a de Polignac number, because 103142043 - 21 = 103142041 is a prime.
It is not an unprimeable number, because it can be changed into a prime (103142041) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336913 + ... + 337218.
It is an arithmetic number, because the mean of its divisors is an integer number (13145574).
Almost surely, 2103142043 is an apocalyptic number.
103142043 is a deficient number, since it is larger than the sum of its proper divisors (54604845).
103142043 is a wasteful number, since it uses less digits than its factorization.
103142043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 674154 (or 674151 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 103142043 is about 10155.8871104399. The cubic root of 103142043 is about 468.9701958532.
Adding to 103142043 its reverse (340241301), we get a palindrome (443383344).
The spelling of 103142043 in words is "one hundred three million, one hundred forty-two thousand, forty-three".
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