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10024443221 = 1310918773769
BaseRepresentation
bin10010101011000000…
…01101110101010101
3221212121202110220212
421111200031311111
5131012224140341
64334414335205
7503262234662
oct112540156525
927777673825
1010024443221
11428459a621
121b391ba505
13c39a98110
146b14c6a69
153da0da5eb
hex25580dd55

10024443221 has 16 divisors (see below), whose sum is σ = 10903292400. Its totient is φ = 9161123328.

The previous prime is 10024443199. The next prime is 10024443229. The reversal of 10024443221 is 12234442001.

Adding to 10024443221 its reverse (12234442001), we get a palindrome (22258885222).

It can be written as a sum of positive squares in 8 ways, for example, as 220671025 + 9803772196 = 14855^2 + 99014^2 .

It is a cyclic number.

It is not a de Polignac number, because 10024443221 - 26 = 10024443157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10024443229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2657825 + ... + 2661593.

It is an arithmetic number, because the mean of its divisors is an integer number (681455775).

Almost surely, 210024443221 is an apocalyptic number.

It is an amenable number.

10024443221 is a deficient number, since it is larger than the sum of its proper divisors (878849179).

10024443221 is a wasteful number, since it uses less digits than its factorization.

10024443221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5768.

The product of its (nonzero) digits is 1536, while the sum is 23.

The spelling of 10024443221 in words is "ten billion, twenty-four million, four hundred forty-three thousand, two hundred twenty-one".

Divisors: 1 13 109 1417 1877 3769 24401 48997 204593 410821 2659709 5340673 7074413 91967369 771111017 10024443221