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30483129612 = 22313238772
BaseRepresentation
bin11100011000111011…
…111010010100001100
32220200102101102121110
4130120323322110030
5444412140121422
622000451132020
72126254216665
oct343073722414
986612342543
1030483129612
1111a22a28501
125aa88a4010
132b4a4c1400
14169268c36c
15bd625d60c
hex718efa50c

30483129612 has 54 divisors (see below), whose sum is σ = 77039375868. Its totient is φ = 9377005248.

The previous prime is 30483129601. The next prime is 30483129619. The reversal of 30483129612 is 21692138403.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (30483129619) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7860618 + ... + 7864494.

Almost surely, 230483129612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30483129612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38519687934).

30483129612 is an abundant number, since it is smaller than the sum of its proper divisors (46556246256).

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

30483129612 is an equidigital number, since it uses as much as digits as its factorization.

30483129612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7787 (or 3895 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 30483129612 in words is "thirty billion, four hundred eighty-three million, one hundred twenty-nine thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 676 1014 2028 3877 7754 11631 15508 23262 46524 50401 100802 151203 201604 302406 604812 655213 1310426 1965639 2620852 3931278 7862556 15031129 30062258 45093387 60124516 90186774 180373548 195404677 390809354 586214031 781618708 1172428062 2344856124 2540260801 5080521602 7620782403 10161043204 15241564806 30483129612