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10044130021 = 41244978781
BaseRepresentation
bin10010101101010110…
…10100001011100101
3221220222210200010121
421112223110023211
5131032244130041
64340400321541
7503621460622
oct112653241345
927828720117
1010044130021
114294716602
121b439132b1
13c40b9bb03
146b3d6d349
153dbbc87d1
hex256ad42e5

10044130021 has 4 divisors (see below), whose sum is σ = 10289108844. Its totient is φ = 9799151200.

The previous prime is 10044130003. The next prime is 10044130049. The reversal of 10044130021 is 12003144001.

10044130021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1673709921 + 8370420100 = 40911^2 + 91490^2 .

It is a cyclic number.

It is not a de Polignac number, because 10044130021 - 25 = 10044129989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10044129977 and 10044130004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10044130051) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 122489350 + ... + 122489431.

It is an arithmetic number, because the mean of its divisors is an integer number (2572277211).

Almost surely, 210044130021 is an apocalyptic number.

It is an amenable number.

10044130021 is a deficient number, since it is larger than the sum of its proper divisors (244978823).

10044130021 is an equidigital number, since it uses as much as digits as its factorization.

10044130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244978822.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10044130021 its reverse (12003144001), we get a palindrome (22047274022).

The spelling of 10044130021 in words is "ten billion, forty-four million, one hundred thirty thousand, twenty-one".

Divisors: 1 41 244978781 10044130021