Search a number
-
+
302303212212213 = 351244046140791
BaseRepresentation
bin100010010111100010111001…
…1100101000000111111110101
31110122100220102122001202100000
41010233011303211000333311
5304110413434311242323
62550540102315141513
7120450454261322622
oct10457056345007765
91418326378052300
10302303212212213
11883610882a1143
1229aa447a144899
13cc8b0bc121074
1454917a6cb1349
1524e390100be43
hex112f173940ff5

302303212212213 has 12 divisors (see below), whose sum is σ = 452832795248288. Its totient is φ = 201535474807980.

The previous prime is 302303212212151. The next prime is 302303212212251. The reversal of 302303212212213 is 312212212303203.

302303212212213 is a `hidden beast` number, since 3 + 0 + 23 + 0 + 3 + 212 + 212 + 213 = 666.

It is not a de Polignac number, because 302303212212213 - 26 = 302303212212149 is a prime.

It is a super-2 number, since 2×3023032122122132 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302303212212013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 622023070153 + ... + 622023070638.

Almost surely, 2302303212212213 is an apocalyptic number.

It is an amenable number.

302303212212213 is a deficient number, since it is larger than the sum of its proper divisors (150529583036075).

302303212212213 is an equidigital number, since it uses as much as digits as its factorization.

302303212212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244046140806 (or 1244046140794 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 302303212212213 its reverse (312212212303203), we get a palindrome (614515424515416).

The spelling of 302303212212213 in words is "three hundred two trillion, three hundred three billion, two hundred twelve million, two hundred twelve thousand, two hundred thirteen".

Divisors: 1 3 9 27 81 243 1244046140791 3732138422373 11196415267119 33589245801357 100767737404071 302303212212213