Search a number
-
+
42013124311 = 192211217069
BaseRepresentation
bin100111001000001011…
…010110011011010111
311000102222002211220011
4213020023112123113
51142020324434221
631144531021051
73015060443614
oct471013263327
9130388084804
1042013124311
11168aa34a144
12818613a787
133c67173592
142067ac150b
15115d5dd1e1
hex9c82d66d7

42013124311 has 4 divisors (see below), whose sum is σ = 44224341400. Its totient is φ = 39801907224.

The previous prime is 42013124297. The next prime is 42013124341. The reversal of 42013124311 is 11342131024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42013124311 - 29 = 42013123799 is a prime.

It is a super-2 number, since 2×420131243112 (a number of 22 digits) contains 22 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 (42013124341) 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 3 ways as a sum of consecutive naturals, for example, 1105608516 + ... + 1105608553.

It is an arithmetic number, because the mean of its divisors is an integer number (11056085350).

Almost surely, 242013124311 is an apocalyptic number.

42013124311 is a deficient number, since it is larger than the sum of its proper divisors (2211217089).

42013124311 is a wasteful number, since it uses less digits than its factorization.

42013124311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211217088.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 42013124311 its reverse (11342131024), we get a palindrome (53355255335).

The spelling of 42013124311 in words is "forty-two billion, thirteen million, one hundred twenty-four thousand, three hundred eleven".

Divisors: 1 19 2211217069 42013124311