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142103665213 = 186583761611
BaseRepresentation
bin1000010001011000001…
…0011101101000111101
3111120210110010010220121
42010112002131220331
54312012014241323
6145140450414541
713160314140016
oct2042602355075
9446713103817
10142103665213
11552a18a5a34
122365a291451
1310528664203
146c40b9000d
153a6a75ea5d
hex211609da3d

142103665213 has 4 divisors (see below), whose sum is σ = 142104613408. Its totient is φ = 142102717020.

The previous prime is 142103665211. The next prime is 142103665229. The reversal of 142103665213 is 312566301241.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 142103665213 - 21 = 142103665211 is a prime.

It is a super-3 number, since 3×1421036652133 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142103665211) 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, 194223 + ... + 567388.

It is an arithmetic number, because the mean of its divisors is an integer number (35526153352).

Almost surely, 2142103665213 is an apocalyptic number.

It is an amenable number.

142103665213 is a deficient number, since it is larger than the sum of its proper divisors (948195).

142103665213 is an equidigital number, since it uses as much as digits as its factorization.

142103665213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948194.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 142103665213 its reverse (312566301241), we get a palindrome (454669966454).

The spelling of 142103665213 in words is "one hundred forty-two billion, one hundred three million, six hundred sixty-five thousand, two hundred thirteen".

Divisors: 1 186583 761611 142103665213