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10244041021 = 16761341563
BaseRepresentation
bin10011000101001011…
…11010100100111101
3222102220222012110201
421202211322210331
5131434433303041
64412301203501
7511566624544
oct114245724475
928386865421
1010244041021
114387548705
121b9a860591
13c73424746
146d272b15b
153ee516631
hex26297a93d

10244041021 has 4 divisors (see below), whose sum is σ = 10305382752. Its totient is φ = 10182699292.

The previous prime is 10244041009. The next prime is 10244041057. The reversal of 10244041021 is 12014044201.

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 10244041021 - 213 = 10244032829 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 10244041021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10244041061) 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, 30670615 + ... + 30670948.

It is an arithmetic number, because the mean of its divisors is an integer number (2576345688).

Almost surely, 210244041021 is an apocalyptic number.

It is an amenable number.

10244041021 is a deficient number, since it is larger than the sum of its proper divisors (61341731).

10244041021 is an equidigital number, since it uses as much as digits as its factorization.

10244041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61341730.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10244041021 its reverse (12014044201), we get a palindrome (22258085222).

The spelling of 10244041021 in words is "ten billion, two hundred forty-four million, forty-one thousand, twenty-one".

Divisors: 1 167 61341563 10244041021