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142643202413 = 547260773679
BaseRepresentation
bin1000010011011000110…
…0101000100101101101
3111122012001100110210212
42010312030220211231
54314113124434123
6145310202512205
713206555133535
oct2046614504555
9448161313725
10142643202413
1155549407248
122378ab05665
13105b33802aa
146c926b84c5
153a9ccd7878
hex213632896d

142643202413 has 4 divisors (see below), whose sum is σ = 142903976640. Its totient is φ = 142382428188.

The previous prime is 142643202347. The next prime is 142643202439. The reversal of 142643202413 is 314202346241.

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 142643202413 - 212 = 142643198317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142643202413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142643202473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130386293 + ... + 130387386.

It is an arithmetic number, because the mean of its divisors is an integer number (35725994160).

Almost surely, 2142643202413 is an apocalyptic number.

It is an amenable number.

142643202413 is a deficient number, since it is larger than the sum of its proper divisors (260774227).

142643202413 is an equidigital number, since it uses as much as digits as its factorization.

142643202413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260774226.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 142643202413 its reverse (314202346241), we get a palindrome (456845548654).

The spelling of 142643202413 in words is "one hundred forty-two billion, six hundred forty-three million, two hundred two thousand, four hundred thirteen".

Divisors: 1 547 260773679 142643202413