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30643316012 = 2237332052191
BaseRepresentation
bin11100100010011110…
…111110010100101100
32221002120210202001002
4130202132332110230
51000224142103022
622024412335432
72133240613511
oct344236762454
987076722032
1030643316012
1111aa5397961
125b32474578
132b7474896a
1416a9a69308
15be5351092
hex7227be52c

30643316012 has 12 divisors (see below), whose sum is σ = 53640194496. Its totient is φ = 15317546160.

The previous prime is 30643315939. The next prime is 30643316027. The reversal of 30643316012 is 21061334603.

It is a super-2 number, since 2×306433160122 (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011164 + ... + 1041027.

It is an arithmetic number, because the mean of its divisors is an integer number (4470016208).

Almost surely, 230643316012 is an apocalyptic number.

It is an amenable number.

30643316012 is a deficient number, since it is larger than the sum of its proper divisors (22996878484).

30643316012 is a wasteful number, since it uses less digits than its factorization.

30643316012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055928 (or 2055926 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 30643316012 in words is "thirty billion, six hundred forty-three million, three hundred sixteen thousand, twelve".

Divisors: 1 2 4 3733 7466 14932 2052191 4104382 8208764 7660829003 15321658006 30643316012