Search a number
-
+
42143460253 = 437079138449
BaseRepresentation
bin100111001111111100…
…100010101110011101
311000210001100121012021
4213033330202232131
51142302211212003
631205504340141
73021232334026
oct471774425635
9130701317167
1042143460253
11169669804a4
128201914651
133c88178c3b
14207b12bc4d
151169c862bd
hex9cff22b9d

42143460253 has 8 divisors (see below), whose sum is σ = 43129944000. Its totient is φ = 41157267648.

The previous prime is 42143460209. The next prime is 42143460263. The reversal of 42143460253 is 35206434124.

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 42143460253 - 217 = 42143329181 is a prime.

It is a super-3 number, since 3×421434602533 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42143460263) 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, 235173 + ... + 373621.

It is an arithmetic number, because the mean of its divisors is an integer number (5391243000).

Almost surely, 242143460253 is an apocalyptic number.

42143460253 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

42143460253 is a deficient number, since it is larger than the sum of its proper divisors (986483747).

42143460253 is a wasteful number, since it uses less digits than its factorization.

42143460253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145571.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 42143460253 its reverse (35206434124), we get a palindrome (77349894377).

The spelling of 42143460253 in words is "forty-two billion, one hundred forty-three million, four hundred sixty thousand, two hundred fifty-three".

Divisors: 1 43 7079 138449 304397 5953307 980080471 42143460253