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12630045028 = 22191071553129
BaseRepresentation
bin10111100001100111…
…10011000101100100
31012121012122202122111
423300303303011210
5201331242420103
65445133410404
7624661416466
oct136063630544
935535582574
1012630045028
1153a1370847
122545939a04
13126384ca33
1487b586136
154ddc2586d
hex2f0cf3164

12630045028 has 24 divisors (see below), whose sum is σ = 23483325600. Its totient is φ = 5926736448.

The previous prime is 12630045023. The next prime is 12630045031. The reversal of 12630045028 is 82054003621.

12630045028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12630045023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 768433 + ... + 784696.

It is an arithmetic number, because the mean of its divisors is an integer number (978471900).

Almost surely, 212630045028 is an apocalyptic number.

It is an amenable number.

12630045028 is a deficient number, since it is larger than the sum of its proper divisors (10853280572).

12630045028 is a wasteful number, since it uses less digits than its factorization.

12630045028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553259 (or 1553257 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 12630045028 its reverse (82054003621), we get a palindrome (94684048649).

The spelling of 12630045028 in words is "twelve billion, six hundred thirty million, forty-five thousand, twenty-eight".

Divisors: 1 2 4 19 38 76 107 214 428 2033 4066 8132 1553129 3106258 6212516 29509451 59018902 118037804 166184803 332369606 664739212 3157511257 6315022514 12630045028