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1443142404131 = 8753231648697
BaseRepresentation
bin10101000000000001111…
…111011000100000100011
312002222000002001000001112
4111000001333120200203
5142121023423413011
63022545342053535
7206156262015641
oct25000177304043
95088002030045
101443142404131
115070402a003a
121b383557a2ab
13a611aa1035c
144dbc428c191
152781596958b
hex15001fd8823

1443142404131 has 4 divisors (see below), whose sum is σ = 1443144928152. Its totient is φ = 1443139880112.

The previous prime is 1443142404127. The next prime is 1443142404181. The reversal of 1443142404131 is 1314042413441.

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 1443142404131 - 22 = 1443142404127 is a prime.

It is a super-2 number, since 2×14431424041312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443142404181) 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, 50975 + ... + 1699671.

It is an arithmetic number, because the mean of its divisors is an integer number (360786232038).

Almost surely, 21443142404131 is an apocalyptic number.

1443142404131 is a deficient number, since it is larger than the sum of its proper divisors (2524021).

1443142404131 is an equidigital number, since it uses as much as digits as its factorization.

1443142404131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524020.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 1443142404131 its reverse (1314042413441), we get a palindrome (2757184817572).

The spelling of 1443142404131 in words is "one trillion, four hundred forty-three billion, one hundred forty-two million, four hundred four thousand, one hundred thirty-one".

Divisors: 1 875323 1648697 1443142404131