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30666064518 = 23219323093823
BaseRepresentation
bin11100100011110101…
…110000001010000110
32221011011121111010100
4130203311300022012
51000301003031033
622030544104530
72133635150625
oct344365601206
987134544110
1030666064518
1112007215181
125b3a005146
132b7938210b
1416acaab6bc
15be7346513
hex723d70286

30666064518 has 48 divisors (see below), whose sum is σ = 66833807040. Its totient is φ = 10161994752.

The previous prime is 30666064459. The next prime is 30666064603. The reversal of 30666064518 is 81546066603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8019555 + ... + 8023377.

It is an arithmetic number, because the mean of its divisors is an integer number (1392370980).

Almost surely, 230666064518 is an apocalyptic number.

30666064518 is an abundant number, since it is smaller than the sum of its proper divisors (36167742522).

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

30666064518 is a wasteful number, since it uses less digits than its factorization.

30666064518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6333 (or 6330 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 30666064518 in words is "thirty billion, six hundred sixty-six million, sixty-four thousand, five hundred eighteen".

Divisors: 1 2 3 6 9 18 193 386 579 1158 1737 2309 3474 3823 4618 6927 7646 11469 13854 20781 22938 34407 41562 68814 445637 737839 891274 1336911 1475678 2213517 2673822 4010733 4427034 6640551 8021466 8827307 13281102 17654614 26481921 52963842 79445763 158891526 1703670251 3407340502 5111010753 10222021506 15333032259 30666064518