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14478375213 = 382206733
BaseRepresentation
bin11010111101111101…
…00111100100101101
31101101000121200000000
431132332213210231
5214122431001323
610352401454513
71021534105311
oct153676474455
941330550000
1014478375213
11615a735655
122980941439
131499762133
149b4c3db41
1559b128e43
hex35efa792d

14478375213 has 18 divisors (see below), whose sum is σ = 21716469294. Its totient is φ = 9652245768.

The previous prime is 14478375209. The next prime is 14478375217. The reversal of 14478375213 is 31257387441.

14478375213 is a `hidden beast` number, since 1 + 4 + 47 + 83 + 7 + 521 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (14478375209) and next prime (14478375217).

It can be written as a sum of positive squares in only one way, i.e., 11816124804 + 2662250409 = 108702^2 + 51597^2 .

It is not a de Polignac number, because 14478375213 - 22 = 14478375209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14478375217) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1096806 + ... + 1109927.

Almost surely, 214478375213 is an apocalyptic number.

It is an amenable number.

14478375213 is a deficient number, since it is larger than the sum of its proper divisors (7238094081).

14478375213 is an frugal number, since it uses more digits than its factorization.

14478375213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206757 (or 2206736 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The spelling of 14478375213 in words is "fourteen billion, four hundred seventy-eight million, three hundred seventy-five thousand, two hundred thirteen".

Divisors: 1 3 9 27 81 243 729 2187 6561 2206733 6620199 19860597 59581791 178745373 536236119 1608708357 4826125071 14478375213