Search a number
-
+
142110613 = 431329723
BaseRepresentation
bin10000111100001…
…10111110010101
3100220101222010001
420132012332111
5242340014423
622033531301
73343630441
oct1036067625
9326358101
10142110613
1173243897
123b713b31
1323598c28
1414c33821
15c721cad
hex8786f95

142110613 has 4 divisors (see below), whose sum is σ = 142440768. Its totient is φ = 141780460.

The previous prime is 142110611. The next prime is 142110697. The reversal of 142110613 is 316011241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142110613 - 21 = 142110611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142110611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164431 + ... + 165292.

It is an arithmetic number, because the mean of its divisors is an integer number (35610192).

Almost surely, 2142110613 is an apocalyptic number.

It is an amenable number.

142110613 is a deficient number, since it is larger than the sum of its proper divisors (330155).

142110613 is an equidigital number, since it uses as much as digits as its factorization.

142110613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330154.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 142110613 is about 11921.0156027077. The cubic root of 142110613 is about 521.8457741316.

Adding to 142110613 its reverse (316011241), we get a palindrome (458121854).

The spelling of 142110613 in words is "one hundred forty-two million, one hundred ten thousand, six hundred thirteen".

Divisors: 1 431 329723 142110613