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1042122230321 = 7879132265799
BaseRepresentation
bin11110010101000110101…
…00110100101000110001
310200121220021211102200112
433022203110310220301
5114033231242332241
62114424440031105
7135201521542154
oct17124324645061
93617807742615
101042122230321
11371a63915a97
12149b78762495
137736bc20593
1438620809c9b
151c1947071eb
hexf2a3534a31

1042122230321 has 4 divisors (see below), whose sum is σ = 1042254504000. Its totient is φ = 1041989956644.

The previous prime is 1042122230311. The next prime is 1042122230353. The reversal of 1042122230321 is 1230322212401.

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 1042122230321 - 218 = 1042121968177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042122230311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66125021 + ... + 66140778.

It is an arithmetic number, because the mean of its divisors is an integer number (260563626000).

Almost surely, 21042122230321 is an apocalyptic number.

It is an amenable number.

1042122230321 is a deficient number, since it is larger than the sum of its proper divisors (132273679).

1042122230321 is an equidigital number, since it uses as much as digits as its factorization.

1042122230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132273678.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1042122230321 its reverse (1230322212401), we get a palindrome (2272444442722).

The spelling of 1042122230321 in words is "one trillion, forty-two billion, one hundred twenty-two million, two hundred thirty thousand, three hundred twenty-one".

Divisors: 1 7879 132265799 1042122230321