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142242141511 = 375130774929
BaseRepresentation
bin1000010001111001001…
…0101101010101000111
3111121011002200110200101
42010132102231111013
54312302442012021
6145202314424531
713163615153011
oct2043622552507
9447132613611
10142242141511
1155362a87258
1223698732147
131054b259b52
146c553191b1
153a779b4a91
hex211e4ad547

142242141511 has 8 divisors (see below), whose sum is σ = 146091320720. Its totient is φ = 138393214848.

The previous prime is 142242141493. The next prime is 142242141553. The reversal of 142242141511 is 115141242241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142242141511 - 211 = 142242139463 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 142242141511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142242141571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860895 + ... + 1935823.

It is an arithmetic number, because the mean of its divisors is an integer number (18261415090).

Almost surely, 2142242141511 is an apocalyptic number.

142242141511 is a deficient number, since it is larger than the sum of its proper divisors (3849179209).

142242141511 is an equidigital number, since it uses as much as digits as its factorization.

142242141511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126273.

The product of its digits is 2560, while the sum is 28.

Adding to 142242141511 its reverse (115141242241), we get a palindrome (257383383752).

The spelling of 142242141511 in words is "one hundred forty-two billion, two hundred forty-two million, one hundred forty-one thousand, five hundred eleven".

Divisors: 1 37 51307 74929 1898359 2772373 3844382203 142242141511