Base | Representation |
---|---|
bin | 1100001011000… |
… | …01111101110111 |
3 | 21010010212220021 |
4 | 12011201331313 |
5 | 202120110033 |
6 | 14044350011 |
7 | 2346642646 |
oct | 605417567 |
9 | 233125807 |
10 | 102113143 |
11 | 52705130 |
12 | 2a245307 |
13 | 182035a2 |
14 | d7c135d |
15 | 8e70b2d |
hex | 6161f77 |
102113143 has 8 divisors (see below), whose sum is σ = 112081536. Its totient is φ = 92259000.
The previous prime is 102113131. The next prime is 102113149. The reversal of 102113143 is 341311201.
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 102113143 - 25 = 102113111 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 (102113149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26683 + ... + 30268.
It is an arithmetic number, because the mean of its divisors is an integer number (14010192).
Almost surely, 2102113143 is an apocalyptic number.
102113143 is a deficient number, since it is larger than the sum of its proper divisors (9968393).
102113143 is a wasteful number, since it uses less digits than its factorization.
102113143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57125.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 102113143 is about 10105.1047990607. The cubic root of 102113143 is about 467.4055675889.
Adding to 102113143 its reverse (341311201), we get a palindrome (443424344).
The spelling of 102113143 in words is "one hundred two million, one hundred thirteen thousand, one hundred forty-three".
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