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1002231442441 = 9110111100131
BaseRepresentation
bin11101001010110011010…
…01100010110000001001
310112210221020021110001101
432211121221202300021
5112410032222124231
62044230242021401
7132260141462065
oct16453151426011
93483836243041
101002231442441
113570535806a9
121422a5347861
1373682688898
143671894aaa5
151b10c5e4661
hexe959a62c09

1002231442441 has 4 divisors (see below), whose sum is σ = 1002233453584. Its totient is φ = 1002229431300.

The previous prime is 1002231442357. The next prime is 1002231442481. The reversal of 1002231442441 is 1442441322001.

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 1002231442441 - 29 = 1002231441929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002231442481) 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, 360946 + ... + 1461076.

It is an arithmetic number, because the mean of its divisors is an integer number (250558363396).

Almost surely, 21002231442441 is an apocalyptic number.

It is an amenable number.

1002231442441 is a deficient number, since it is larger than the sum of its proper divisors (2011143).

1002231442441 is an equidigital number, since it uses as much as digits as its factorization.

1002231442441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011142.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1002231442441 its reverse (1442441322001), we get a palindrome (2444672764442).

The spelling of 1002231442441 in words is "one trillion, two billion, two hundred thirty-one million, four hundred forty-two thousand, four hundred forty-one".

Divisors: 1 911011 1100131 1002231442441