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142311143123 = 457459167829
BaseRepresentation
bin1000010010001001100…
…1111011011011010011
3111121022220112010002122
42010202121323123103
54312423123034443
6145213221404455
713165413520622
oct2044231733323
9447286463078
10142311143123
1155398a26186
12236b786972b
131055c6390c6
146c6055b6b9
153a7da94968
hex212267b6d3

142311143123 has 8 divisors (see below), whose sum is σ = 142655714880. Its totient is φ = 141966717120.

The previous prime is 142311143041. The next prime is 142311143141. The reversal of 142311143123 is 321341113241.

142311143123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142311143123 - 220 = 142310094547 is a prime.

It is a super-2 number, since 2×1423111431232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142311143092 and 142311143101.

It is not an unprimeable number, because it can be changed into a prime (142311143423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064173 + ... + 2132001.

It is an arithmetic number, because the mean of its divisors is an integer number (17831964360).

Almost surely, 2142311143123 is an apocalyptic number.

142311143123 is a deficient number, since it is larger than the sum of its proper divisors (344571757).

142311143123 is an equidigital number, since it uses as much as digits as its factorization.

142311143123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72877.

The product of its digits is 1728, while the sum is 26.

Adding to 142311143123 its reverse (321341113241), we get a palindrome (463652256364).

The spelling of 142311143123 in words is "one hundred forty-two billion, three hundred eleven million, one hundred forty-three thousand, one hundred twenty-three".

Divisors: 1 457 4591 67829 2098087 30997853 311402939 142311143123