Search a number
-
+
42100100143 = 172145675087
BaseRepresentation
bin100111001101010111…
…001000110000101111
311000200000202200022021
4213031113020300233
51142210111201033
631201315131011
73020164642513
oct471527106057
9130600680267
1042100100143
11169444553a2
1281ab2a3a67
133c7c1a6b7a
142075482143
15116606db2d
hex9cd5c8c2f

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".

Divisors: 1 17 289 145675087 2476476479 42100100143