Search a number
-
+
43040202144193 = 67642391076779
BaseRepresentation
bin10011100100101000100111…
…11101011011100111000001
312122101121021200121210222001
421302110103331123213001
521120132313222103233
6231312221303144001
712031360221636232
oct1162242375334701
9178347250553861
1043040202144193
111279427a066801
1249b1590745001
131b0289b005167
14a8b22a75d089
154e9893a7727d
hex272513f5b9c1

43040202144193 has 4 divisors (see below), whose sum is σ = 43682593221040. Its totient is φ = 42397811067348.

The previous prime is 43040202144179. The next prime is 43040202144221. The reversal of 43040202144193 is 39144120204034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43040202144193 - 25 = 43040202144161 is a prime.

It is a super-2 number, since 2×430402021441932 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43040202144103) 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, 321195538323 + ... + 321195538456.

It is an arithmetic number, because the mean of its divisors is an integer number (10920648305260).

Almost surely, 243040202144193 is an apocalyptic number.

It is an amenable number.

43040202144193 is a deficient number, since it is larger than the sum of its proper divisors (642391076847).

43040202144193 is an equidigital number, since it uses as much as digits as its factorization.

43040202144193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642391076846.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 43040202144193 in words is "forty-three trillion, forty billion, two hundred two million, one hundred forty-four thousand, one hundred ninety-three".

Divisors: 1 67 642391076779 43040202144193