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6231420142 = 217943919417
BaseRepresentation
bin1011100110110101…
…11110110011101110
3121002021111221102121
411303122332303232
5100230220421032
62510200543154
7310264124443
oct56332766356
917067457377
106231420142
112708524202
12125aa81aba
1378400456c
1443184d9ca
152670eba97
hex1736becee

6231420142 has 16 divisors (see below), whose sum is σ = 9898519680. Its totient is φ = 2931971328.

The previous prime is 6231420119. The next prime is 6231420149. The reversal of 6231420142 is 2410241326.

It is a happy number.

It is a super-2 number, since 2×62314201422 = 77661193972246600328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6231420149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311218 + ... + 330634.

It is an arithmetic number, because the mean of its divisors is an integer number (618657480).

Almost surely, 26231420142 is an apocalyptic number.

6231420142 is a deficient number, since it is larger than the sum of its proper divisors (3667099538).

6231420142 is a wasteful number, since it uses less digits than its factorization.

6231420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28875.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 6231420142 is about 78939.3447021192. The cubic root of 6231420142 is about 1840.1886367331.

Adding to 6231420142 its reverse (2410241326), we get a palindrome (8641661468).

The spelling of 6231420142 in words is "six billion, two hundred thirty-one million, four hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 17 34 9439 18878 19417 38834 160463 320926 330089 660178 183277063 366554126 3115710071 6231420142