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213313142 = 2715236653
BaseRepresentation
bin11001011011011…
…10011001110110
3112212101102121202
430231232121312
5414102010032
633100012502
75200063130
oct1455563166
9485342552
10213313142
11aa456359
125b531132
1335268bc3
142048a050
1513ad8d62
hexcb6e676

213313142 has 8 divisors (see below), whose sum is σ = 365679696. Its totient is φ = 91419912.

The previous prime is 213313141. The next prime is 213313147. The reversal of 213313142 is 241313312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213313141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7618313 + ... + 7618340.

It is an arithmetic number, because the mean of its divisors is an integer number (45709962).

Almost surely, 2213313142 is an apocalyptic number.

213313142 is a deficient number, since it is larger than the sum of its proper divisors (152366554).

213313142 is a wasteful number, since it uses less digits than its factorization.

213313142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15236662.

The product of its digits is 432, while the sum is 20.

The square root of 213313142 is about 14605.2436474028. The cubic root of 213313142 is about 597.5017811260.

Adding to 213313142 its reverse (241313312), we get a palindrome (454626454).

The spelling of 213313142 in words is "two hundred thirteen million, three hundred thirteen thousand, one hundred forty-two".

Divisors: 1 2 7 14 15236653 30473306 106656571 213313142