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13030442312 = 231628805289
BaseRepresentation
bin11000010001010110…
…01100010101001000
31020122010002001110112
430020223030111020
5203141243123222
65552555333452
7640622634506
oct141053142510
936563061415
1013030442312
115587388198
122637a51288
1312c87a00c4
148b8811676
15513e66be2
hex308acc548

13030442312 has 8 divisors (see below), whose sum is σ = 24432079350. Its totient is φ = 6515221152.

The previous prime is 13030442297. The next prime is 13030442351. The reversal of 13030442312 is 21324403031.

It can be written as a sum of positive squares in only one way, i.e., 7882953796 + 5147488516 = 88786^2 + 71746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 814402637 + ... + 814402652.

Almost surely, 213030442312 is an apocalyptic number.

It is an amenable number.

13030442312 is a deficient number, since it is larger than the sum of its proper divisors (11401637038).

13030442312 is a wasteful number, since it uses less digits than its factorization.

13030442312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628805295 (or 1628805291 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13030442312 its reverse (21324403031), we get a palindrome (34354845343).

The spelling of 13030442312 in words is "thirteen billion, thirty million, four hundred forty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 1628805289 3257610578 6515221156 13030442312