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142002231103 = 197473801637
BaseRepresentation
bin1000010000111111111…
…1100001011100111111
3111120112101020202110201
42010033333201130333
54311310032343403
6145122424344331
713154643022525
oct2041777413477
9446471222421
10142002231103
115524a614a97
12236303150a7
131051063aa25
146c31508315
153a618c521d
hex210ffe173f

142002231103 has 4 divisors (see below), whose sum is σ = 149476032760. Its totient is φ = 134528429448.

The previous prime is 142002231101. The next prime is 142002231197. The reversal of 142002231103 is 301132200241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142002231103 - 21 = 142002231101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 7473801637 = 142002231103 / (1 + 4 + 2 + 0 + 0 + 2 + 2 + 3 + 1 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142002231101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736900800 + ... + 3736900837.

It is an arithmetic number, because the mean of its divisors is an integer number (37369008190).

Almost surely, 2142002231103 is an apocalyptic number.

142002231103 is a deficient number, since it is larger than the sum of its proper divisors (7473801657).

142002231103 is an equidigital number, since it uses as much as digits as its factorization.

142002231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473801656.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 142002231103 its reverse (301132200241), we get a palindrome (443134431344).

The spelling of 142002231103 in words is "one hundred forty-two billion, two million, two hundred thirty-one thousand, one hundred three".

Divisors: 1 19 7473801637 142002231103