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1012442104105 = 5972087509493
BaseRepresentation
bin11101011101110100100…
…00001000000100101001
310120210021211102210122121
432232322100020010221
5113041440134312410
62053035351551241
7133101154615015
oct16567220100451
93523254383577
101012442104105
1136041319a963
1214427498b521
137461bbc4113
1437006a69545
151b508c159da
hexebba408129

1012442104105 has 8 divisors (see below), whose sum is σ = 1227455582472. Its totient is φ = 801603644928.

The previous prime is 1012442104031. The next prime is 1012442104111. The reversal of 1012442104105 is 5014012442101.

It can be written as a sum of positive squares in 4 ways, for example, as 1928615056 + 1010513489049 = 43916^2 + 1005243^2 .

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 1012442104105 - 29 = 1012442103593 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 1012442104105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043754262 + ... + 1043755231.

It is an arithmetic number, because the mean of its divisors is an integer number (153431947809).

Almost surely, 21012442104105 is an apocalyptic number.

It is an amenable number.

1012442104105 is a deficient number, since it is larger than the sum of its proper divisors (215013478367).

1012442104105 is an equidigital number, since it uses as much as digits as its factorization.

1012442104105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087509595.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 1012442104105 its reverse (5014012442101), we get a palindrome (6026454546206).

The spelling of 1012442104105 in words is "one trillion, twelve billion, four hundred forty-two million, one hundred four thousand, one hundred five".

Divisors: 1 5 97 485 2087509493 10437547465 202488420821 1012442104105