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30230221312 = 2989663409
BaseRepresentation
bin11100001001110111…
…001001001000000000
32220000210111100122101
4130021313021020000
5443402414040222
621515414320144
72120063433004
oct341167111000
986023440571
1030230221312
1111903198785
125a38059054
132b09ca1025
14166ac56704
15bbde52927
hex709dc9200

30230221312 has 40 divisors (see below), whose sum is σ = 61080158700. Its totient is φ = 14945255424.

The previous prime is 30230221309. The next prime is 30230221367. The reversal of 30230221312 is 21312203203.

It can be written as a sum of positive squares in 2 ways, for example, as 30186977536 + 43243776 = 173744^2 + 6576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30230221312.

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 3 ways as a sum of consecutive naturals, for example, 286137 + ... + 377272.

Almost surely, 230230221312 is an apocalyptic number.

30230221312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

30230221312 is an abundant number, since it is smaller than the sum of its proper divisors (30849937388).

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

30230221312 is an frugal number, since it uses more digits than its factorization.

30230221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663516 (or 663500 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30230221312 its reverse (21312203203), we get a palindrome (51542424515).

The spelling of 30230221312 in words is "thirty billion, two hundred thirty million, two hundred twenty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 32 64 89 128 178 256 356 512 712 1424 2848 5696 11392 22784 45568 663409 1326818 2653636 5307272 10614544 21229088 42458176 59043401 84916352 118086802 169832704 236173604 339665408 472347208 944694416 1889388832 3778777664 7557555328 15115110656 30230221312