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18230301484 = 226768023513
BaseRepresentation
bin10000111110100111…
…000101001100101100
31202001111112021021021
4100332213011030230
5244313424121414
612212550343524
71213523002003
oct207647051454
952044467237
1018230301484
11780559136a
12364935aba4
131946b66b55
14c4d259c3a
1571a6eac24
hex43e9c532c

18230301484 has 12 divisors (see below), whose sum is σ = 32379192664. Its totient is φ = 8979103584.

The previous prime is 18230301473. The next prime is 18230301491. The reversal of 18230301484 is 48410303281.

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 3 ways as a sum of consecutive naturals, for example, 34011489 + ... + 34012024.

Almost surely, 218230301484 is an apocalyptic number.

It is an amenable number.

18230301484 is a deficient number, since it is larger than the sum of its proper divisors (14148891180).

18230301484 is a wasteful number, since it uses less digits than its factorization.

18230301484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68023584 (or 68023582 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 18230301484 in words is "eighteen billion, two hundred thirty million, three hundred one thousand, four hundred eighty-four".

Divisors: 1 2 4 67 134 268 68023513 136047026 272094052 4557575371 9115150742 18230301484