Search a number
-
+
42411112113121 = 121291349664131
BaseRepresentation
bin10011010010010100110110…
…10001011010001111100001
312120011110111022202001210121
421221022123101122033201
521024330424200104441
6230111221304400241
711635046615621053
oct1151123321321741
9176143438661717
1042411112113121
11125714a7150314
12490b683776081
131a8847368991b
14a689ccc638d3
154d8324e2add1
hex26929b45a3e1

42411112113121 has 4 divisors (see below), whose sum is σ = 42411461898544. Its totient is φ = 42410762327700.

The previous prime is 42411112113119. The next prime is 42411112113169. The reversal of 42411112113121 is 12131121111424.

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 42411112113121 - 21 = 42411112113119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42411112110121) 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, 174710775 + ... + 174953356.

It is an arithmetic number, because the mean of its divisors is an integer number (10602865474636).

Almost surely, 242411112113121 is an apocalyptic number.

It is an amenable number.

42411112113121 is a deficient number, since it is larger than the sum of its proper divisors (349785423).

42411112113121 is a wasteful number, since it uses less digits than its factorization.

42411112113121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349785422.

The product of its digits is 384, while the sum is 25.

Adding to 42411112113121 its reverse (12131121111424), we get a palindrome (54542233224545).

The spelling of 42411112113121 in words is "forty-two trillion, four hundred eleven billion, one hundred twelve million, one hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 121291 349664131 42411112113121