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4431230013 = 371773193881
BaseRepresentation
bin1000010000001111…
…10011010000111101
3102102211010210211010
410020013303100331
533033343330023
62011412345433
7214544555640
oct41007632075
912384123733
104431230013
11197434a771
12a38015279
13558078ac2
14300727a57
151ae057093
hex1081f343d

4431230013 has 64 divisors (see below), whose sum is σ = 7293307392. Its totient is φ = 2335703040.

The previous prime is 4431230009. The next prime is 4431230057. The reversal of 4431230013 is 3100321344.

It is not a de Polignac number, because 4431230013 - 22 = 4431230009 is a prime.

It is a super-2 number, since 2×44312300132 = 39271598856223960338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431230003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5029333 + ... + 5030213.

It is an arithmetic number, because the mean of its divisors is an integer number (113957928).

Almost surely, 24431230013 is an apocalyptic number.

It is an amenable number.

4431230013 is a deficient number, since it is larger than the sum of its proper divisors (2862077379).

4431230013 is a wasteful number, since it uses less digits than its factorization.

4431230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 4431230013 is about 66567.4846527943. The cubic root of 4431230013 is about 1642.5102857465.

Adding to 4431230013 its reverse (3100321344), we get a palindrome (7531551357).

The spelling of 4431230013 in words is "four billion, four hundred thirty-one million, two hundred thirty thousand, thirteen".

Divisors: 1 3 7 17 21 51 73 119 193 219 357 511 579 881 1241 1351 1533 2643 3281 3723 4053 6167 8687 9843 14089 14977 18501 22967 26061 42267 44931 64313 68901 98623 104839 170033 192939 239513 295869 314517 450191 510099 718539 1093321 1190231 1350573 1676591 2890561 3279963 3570693 5029773 7653247 8671683 12412409 20233927 22959741 37237227 60701781 86886863 211010953 260660589 633032859 1477076671 4431230013