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30630341828 = 2241317589181
BaseRepresentation
bin11100100001101101…
…011110110011000100
32221001200101120210202
4130201231132303010
51000212331414303
622023230310032
72133022416062
oct344155366304
987050346722
1030630341828
1111a99036199
125b2a058318
132b71b55428
1416a804d032
15be413bc88
hex721b5ecc4

30630341828 has 24 divisors (see below), whose sum is σ = 55083803544. Its totient is φ = 14894470400.

The previous prime is 30630341813. The next prime is 30630341831. The reversal of 30630341828 is 82814303603.

It can be written as a sum of positive squares in 4 ways, for example, as 6134335684 + 24496006144 = 78322^2 + 156512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30630341791 and 30630341800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242603 + ... + 346578.

It is an arithmetic number, because the mean of its divisors is an integer number (2295158481).

Almost surely, 230630341828 is an apocalyptic number.

It is an amenable number.

30630341828 is a deficient number, since it is larger than the sum of its proper divisors (24453461716).

30630341828 is a wasteful number, since it uses less digits than its factorization.

30630341828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589543 (or 589541 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 30630341828 in words is "thirty billion, six hundred thirty million, three hundred forty-one thousand, eight hundred twenty-eight".

Divisors: 1 2 4 41 82 164 317 634 1268 12997 25994 51988 589181 1178362 2356724 24156421 48312842 96625684 186770377 373540754 747081508 7657585457 15315170914 30630341828