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42141444131 = 165857254083
BaseRepresentation
bin100111001111110100…
…110110100000100011
311000202220120011121002
4213033310312200203
51142301202203011
631205353222215
73021206236103
oct471764664043
9130686504532
1042141444131
1116965823786
12820110196b
133c87921377
14207ab65203
1511699d8c3b
hex9cfd36823

42141444131 has 4 divisors (see below), whose sum is σ = 42141864072. Its totient is φ = 42141024192.

The previous prime is 42141444119. The next prime is 42141444133. The reversal of 42141444131 is 13144414124.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42141444131 - 222 = 42137249827 is a prime.

It is a super-2 number, since 2×421414441312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42141444094 and 42141444103.

It is not an unprimeable number, because it can be changed into a prime (42141444133) 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, 38816 + ... + 292898.

It is an arithmetic number, because the mean of its divisors is an integer number (10535466018).

Almost surely, 242141444131 is an apocalyptic number.

42141444131 is a deficient number, since it is larger than the sum of its proper divisors (419941).

42141444131 is a wasteful number, since it uses less digits than its factorization.

42141444131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419940.

The product of its digits is 6144, while the sum is 29.

Adding to 42141444131 its reverse (13144414124), we get a palindrome (55285858255).

The spelling of 42141444131 in words is "forty-two billion, one hundred forty-one million, four hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 165857 254083 42141444131