Search a number
-
+
214801860186 = 23211933436677
BaseRepresentation
bin1100100000001100110…
…0000100011001011010
3202112102220121002110100
43020003030010121122
512004403234011221
6242402325200230
721342663454224
oct3100314043132
9675386532410
10214801860186
1183108060901
1235768860076
1317342ab2824
14a579c89414
1558c2b9a926
hex320330465a

214801860186 has 12 divisors (see below), whose sum is σ = 465404030442. Its totient is φ = 71600620056.

The previous prime is 214801860181. The next prime is 214801860253. The reversal of 214801860186 is 681068108412.

214801860186 is a `hidden beast` number, since 21 + 4 + 8 + 0 + 18 + 601 + 8 + 6 = 666.

214801860186 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 186196565025 + 28605295161 = 431505^2 + 169131^2 .

It is a super-2 number, since 2×2148018601862 (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214801860181) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5966718321 + ... + 5966718356.

Almost surely, 2214801860186 is an apocalyptic number.

214801860186 is an abundant number, since it is smaller than the sum of its proper divisors (250602170256).

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

214801860186 is a wasteful number, since it uses less digits than its factorization.

214801860186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11933436685 (or 11933436682 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

Adding to 214801860186 its reverse (681068108412), we get a palindrome (895869968598).

The spelling of 214801860186 in words is "two hundred fourteen billion, eight hundred one million, eight hundred sixty thousand, one hundred eighty-six".

Divisors: 1 2 3 6 9 18 11933436677 23866873354 35800310031 71600620062 107400930093 214801860186