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142302012143 = 672123910629
BaseRepresentation
bin1000010010000111011…
…1000110001011101111
3111121022021100012202012
42010201313012023233
54312413303342033
6145212253551435
713165243100654
oct2044167061357
9447267305665
10142302012143
1155393859a15
12236b47a557b
131055a78cc65
146c5d261c2b
153a7cd8e248
hex2121dc62ef

142302012143 has 4 divisors (see below), whose sum is σ = 144425922840. Its totient is φ = 140178101448.

The previous prime is 142302012121. The next prime is 142302012227. The reversal of 142302012143 is 341210203241.

142302012143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341210203241 = 728346850227.

It is a cyclic number.

It is not a de Polignac number, because 142302012143 - 216 = 142301946607 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 (142302032143) 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 3 ways as a sum of consecutive naturals, for example, 1061955248 + ... + 1061955381.

It is an arithmetic number, because the mean of its divisors is an integer number (36106480710).

Almost surely, 2142302012143 is an apocalyptic number.

142302012143 is a deficient number, since it is larger than the sum of its proper divisors (2123910697).

142302012143 is an equidigital number, since it uses as much as digits as its factorization.

142302012143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123910696.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 142302012143 its reverse (341210203241), we get a palindrome (483512215384).

The spelling of 142302012143 in words is "one hundred forty-two billion, three hundred two million, twelve thousand, one hundred forty-three".

Divisors: 1 67 2123910629 142302012143