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30230320312 = 23171932334943
BaseRepresentation
bin11100001001110111…
…100001010010111000
32220000210200101110001
4130021313201102320
5443402430222222
621515420402344
72120064324433
oct341167412270
986023611401
1030230320312
11119032560a5
125a380a63b4
132b0a0070ca
14166ac8081a
15bbde71e27
hex709de14b8

30230320312 has 64 divisors (see below), whose sum is σ = 60598212480. Its totient is φ = 14088732672.

The previous prime is 30230320249. The next prime is 30230320333. The reversal of 30230320312 is 21302303203.

It is a happy number.

It is a super-2 number, since 2×302303203122 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30230320312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6113313 + ... + 6118255.

It is an arithmetic number, because the mean of its divisors is an integer number (946847070).

Almost surely, 230230320312 is an apocalyptic number.

It is an amenable number.

30230320312 is an abundant number, since it is smaller than the sum of its proper divisors (30367892168).

30230320312 is a wasteful number, since it uses less digits than its factorization.

30230320312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392 (or 5388 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30230320312 its reverse (21302303203), we get a palindrome (51532623515).

The spelling of 30230320312 in words is "thirty billion, two hundred thirty million, three hundred twenty thousand, three hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 193 233 386 466 772 932 1544 1864 3281 3961 4943 6562 7922 9886 13124 15844 19772 26248 31688 39544 44969 84031 89938 168062 179876 336124 359752 672248 764473 953999 1151719 1528946 1907998 2303438 3057892 3815996 4606876 6115784 7631992 9213752 16217983 19579223 32435966 39158446 64871932 78316892 129743864 156633784 222281767 444563534 889127068 1778254136 3778790039 7557580078 15115160156 30230320312