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4002131142 = 232222340619
BaseRepresentation
bin1110111010001011…
…1010110011000110
3101022220201022211100
43232202322303012
531144021144032
61501043320530
7201114360552
oct35642726306
911286638740
104002131142
11177410a3a9
12938380146
134ba1b9749
1429d74a862
1518654697c
hexee8bacc6

4002131142 has 12 divisors (see below), whose sum is σ = 8671284180. Its totient is φ = 1334043708.

The previous prime is 4002131141. The next prime is 4002131149. The reversal of 4002131142 is 2411312004.

4002131142 is a `hidden beast` number, since 400 + 213 + 11 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 222340619 = 4002131142 / (4 + 0 + 0 + 2 + 1 + 3 + 1 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002131141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111170292 + ... + 111170327.

It is an arithmetic number, because the mean of its divisors is an integer number (722607015).

Almost surely, 24002131142 is an apocalyptic number.

4002131142 is an abundant number, since it is smaller than the sum of its proper divisors (4669153038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4002131142 is a wasteful number, since it uses less digits than its factorization.

4002131142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222340627 (or 222340624 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4002131142 is about 63262.3991166949. The cubic root of 4002131142 is about 1587.6829166707.

Adding to 4002131142 its reverse (2411312004), we get a palindrome (6413443146).

The spelling of 4002131142 in words is "four billion, two million, one hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 222340619 444681238 667021857 1334043714 2001065571 4002131142