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142442503141501 = 791803069660019
BaseRepresentation
bin100000011000110011111010…
…110011001111100001111101
3200200100100222221211001200001
4200120303322303033201331
5122132234221301012001
61222541103234034301
742001063005320443
oct4030637263174175
9620310887731601
10142442503141501
1141428587611752
1213b8638a118991
136163369124974
14272637ab38b93
1511703ca4e6001
hex818cfaccf87d

142442503141501 has 4 divisors (see below), whose sum is σ = 144245572801600. Its totient is φ = 140639433481404.

The previous prime is 142442503141451. The next prime is 142442503141559. The reversal of 142442503141501 is 105141305244241.

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 142442503141501 - 215 = 142442503108733 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 (142442503141591) 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, 901534829931 + ... + 901534830088.

It is an arithmetic number, because the mean of its divisors is an integer number (36061393200400).

Almost surely, 2142442503141501 is an apocalyptic number.

It is an amenable number.

142442503141501 is a deficient number, since it is larger than the sum of its proper divisors (1803069660099).

142442503141501 is an equidigital number, since it uses as much as digits as its factorization.

142442503141501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803069660098.

The product of its (nonzero) digits is 76800, while the sum is 37.

Adding to 142442503141501 its reverse (105141305244241), we get a palindrome (247583808385742).

The spelling of 142442503141501 in words is "one hundred forty-two trillion, four hundred forty-two billion, five hundred three million, one hundred forty-one thousand, five hundred one".

Divisors: 1 79 1803069660019 142442503141501