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142200555839 = 197484239781
BaseRepresentation
bin1000010001101111010…
…0000100100100111111
3111121001012102200212022
42010123310010210333
54312211320241324
6145154231230355
713162601531666
oct2043364044477
9447035380768
10142200555839
1155341563331
12236868183bb
1310542759644
146c4d9b1ddd
153a73eed05e
hex211bd0493f

142200555839 has 4 divisors (see below), whose sum is σ = 149684795640. Its totient is φ = 134716316040.

The previous prime is 142200555823. The next prime is 142200555841. The reversal of 142200555839 is 938555002241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938555002241 = 5507317042017.

It is a cyclic number.

It is not a de Polignac number, because 142200555839 - 24 = 142200555823 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 142200555839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142200555239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3742119872 + ... + 3742119909.

It is an arithmetic number, because the mean of its divisors is an integer number (37421198910).

Almost surely, 2142200555839 is an apocalyptic number.

142200555839 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

142200555839 is a deficient number, since it is larger than the sum of its proper divisors (7484239801).

142200555839 is an equidigital number, since it uses as much as digits as its factorization.

142200555839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7484239800.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 142200555839 in words is "one hundred forty-two billion, two hundred million, five hundred fifty-five thousand, eight hundred thirty-nine".

Divisors: 1 19 7484239781 142200555839