Search a number
-
+
230142143155 = 546028428631
BaseRepresentation
bin1101011001010110001…
…0100110101010110011
3211000001000001012121211
43112111202212222303
512232312342040110
6253420440500551
722425064640251
oct3262542465263
9730030035554
10230142143155
118966a270511
123872a17a757
1318918c91c42
14b1d336b5d1
155ebe7c998a
hex35958a6ab3

230142143155 has 4 divisors (see below), whose sum is σ = 276170571792. Its totient is φ = 184113714520.

The previous prime is 230142143149. The next prime is 230142143167. The reversal of 230142143155 is 551341241032.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 230142143155 - 219 = 230141618867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23014214311 + ... + 23014214320.

It is an arithmetic number, because the mean of its divisors is an integer number (69042642948).

Almost surely, 2230142143155 is an apocalyptic number.

230142143155 is a deficient number, since it is larger than the sum of its proper divisors (46028428637).

230142143155 is an equidigital number, since it uses as much as digits as its factorization.

230142143155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46028428636.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 230142143155 its reverse (551341241032), we get a palindrome (781483384187).

The spelling of 230142143155 in words is "two hundred thirty billion, one hundred forty-two million, one hundred forty-three thousand, one hundred fifty-five".

Divisors: 1 5 46028428631 230142143155