Base | Representation |
---|---|
bin | 100110100010… |
… | …010101111111 |
3 | 201000020112110 |
4 | 212202111333 |
5 | 10041232033 |
6 | 1000305103 |
7 | 151603212 |
oct | 46422577 |
9 | 21006473 |
10 | 10102143 |
11 | 577a987 |
12 | 3472193 |
13 | 21291cc |
14 | 14ad779 |
15 | d48363 |
hex | 9a257f |
10102143 has 4 divisors (see below), whose sum is σ = 13469528. Its totient is φ = 6734760.
The previous prime is 10102139. The next prime is 10102151. The reversal of 10102143 is 34120101.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34120101 = 3 ⋅11373367.
It is not a de Polignac number, because 10102143 - 22 = 10102139 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10102943) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683688 + ... + 1683693.
It is an arithmetic number, because the mean of its divisors is an integer number (3367382).
Almost surely, 210102143 is an apocalyptic number.
10102143 is a deficient number, since it is larger than the sum of its proper divisors (3367385).
10102143 is an equidigital number, since it uses as much as digits as its factorization.
10102143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3367384.
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 10102143 is about 3178.3868549942. The cubic root of 10102143 is about 216.1745203070.
Adding to 10102143 its reverse (34120101), we get a palindrome (44222244).
The spelling of 10102143 in words is "ten million, one hundred two thousand, one hundred forty-three".
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