Search a number
-
+
30402313143142 = 219179587207181
BaseRepresentation
bin1101110100110100101110…
…00100110100001101100110
310222122102200110211222100011
412322122113010310031212
512441102414131040032
6144354344014040434
76255331442601613
oct672322704641546
9128572613758304
1030402313143142
1197616042010a6
1234b02091a911a
1313c6c06074b35
147716a083d50a
1537ac797dd247
hex1ba697134366

30402313143142 has 8 divisors (see below), whose sum is σ = 45842231336832. Its totient is φ = 15121569364200.

The previous prime is 30402313143131. The next prime is 30402313143143. The reversal of 30402313143142 is 24134131320403.

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 (30402313143143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39793603209 + ... + 39793603972.

It is an arithmetic number, because the mean of its divisors is an integer number (5730278917104).

Almost surely, 230402313143142 is an apocalyptic number.

30402313143142 is a deficient number, since it is larger than the sum of its proper divisors (15439918193690).

30402313143142 is a wasteful number, since it uses less digits than its factorization.

30402313143142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79587207374.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 30402313143142 its reverse (24134131320403), we get a palindrome (54536444463545).

The spelling of 30402313143142 in words is "thirty trillion, four hundred two billion, three hundred thirteen million, one hundred forty-three thousand, one hundred forty-two".

Divisors: 1 2 191 382 79587207181 159174414362 15201156571571 30402313143142