Base | Representation |
---|---|
bin | 100111001101010111… |
… | …001000110000101111 |
3 | 11000200000202200022021 |
4 | 213031113020300233 |
5 | 1142210111201033 |
6 | 31201315131011 |
7 | 3020164642513 |
oct | 471527106057 |
9 | 130600680267 |
10 | 42100100143 |
11 | 169444553a2 |
12 | 81ab2a3a67 |
13 | 3c7c1a6b7a |
14 | 2075482143 |
15 | 116606db2d |
hex | 9cd5c8c2f |
42100100143 has 6 divisors (see below), whose sum is σ = 44722252016. Its totient is φ = 39623623392.
The previous prime is 42100100131. The next prime is 42100100191. The reversal of 42100100143 is 34100100124.
It is not a de Polignac number, because 42100100143 - 25 = 42100100111 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 (42100100443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72837255 + ... + 72837832.
Almost surely, 242100100143 is an apocalyptic number.
42100100143 is a deficient number, since it is larger than the sum of its proper divisors (2622151873).
42100100143 is a wasteful number, since it uses less digits than its factorization.
42100100143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 145675121 (or 145675104 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 42100100143 its reverse (34100100124), we get a palindrome (76200200267).
The spelling of 42100100143 in words is "forty-two billion, one hundred million, one hundred thousand, one hundred forty-three".
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