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30489249804 = 22313480140709
BaseRepresentation
bin11100011001010011…
…010000100000001100
32220200211220100221020
4130121103100200030
5444420221443204
622001230234140
72126360230056
oct343123204014
986624810836
1030489249804
1111a26428712
125aaa955950
132b4b855020
1416934028d6
15bd6a6bbd9
hex7194d080c

30489249804 has 48 divisors (see below), whose sum is σ = 76631852640. Its totient is φ = 9379123200.

The previous prime is 30489249779. The next prime is 30489249827. The reversal of 30489249804 is 40894298403.

It is a super-2 number, since 2×304892498042 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728602 + ... + 769310.

It is an arithmetic number, because the mean of its divisors is an integer number (1596496930).

Almost surely, 230489249804 is an apocalyptic number.

It is an amenable number.

30489249804 is an abundant number, since it is smaller than the sum of its proper divisors (46142602836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30489249804 is a wasteful number, since it uses less digits than its factorization.

30489249804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45530 (or 45528 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 30489249804 in words is "thirty billion, four hundred eighty-nine million, two hundred forty-nine thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 4801 9602 14403 19204 28806 40709 57612 62413 81418 122127 124826 162836 187239 244254 249652 374478 488508 529217 748956 1058434 1587651 2116868 3175302 6350604 195443909 390887818 586331727 781775636 1172663454 2345326908 2540770817 5081541634 7622312451 10163083268 15244624902 30489249804