Search a number
-
+
298187428068 = 223236722569439
BaseRepresentation
bin1000101011011010101…
…10110001000011100100
31001111200012020211111100
410111231112301003210
514341141440144233
6344552503240100
730354235214145
oct4255526610344
91044605224440
10298187428068
11105508036172
124995a449030
132217145943a
141060a515acc
157b534c0813
hex456d5b10e4

298187428068 has 36 divisors (see below), whose sum is σ = 755805406720. Its totient is φ = 99124971696.

The previous prime is 298187428003. The next prime is 298187428069. The reversal of 298187428068 is 860824781892.

298187428068 is a `hidden beast` number, since 29 + 8 + 187 + 428 + 0 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 298187427996 and 298187428014.

It is not an unprimeable number, because it can be changed into a prime (298187428069) 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, 11271508 + ... + 11297931.

Almost surely, 2298187428068 is an apocalyptic number.

It is an amenable number.

298187428068 is an abundant number, since it is smaller than the sum of its proper divisors (457617978652).

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

298187428068 is a wasteful number, since it uses less digits than its factorization.

298187428068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22569816 (or 22569811 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 63.

The spelling of 298187428068 in words is "two hundred ninety-eight billion, one hundred eighty-seven million, four hundred twenty-eight thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 367 734 1101 1468 2202 3303 4404 6606 13212 22569439 45138878 67708317 90277756 135416634 203124951 270833268 406249902 812499804 8282984113 16565968226 24848952339 33131936452 49697904678 74546857017 99395809356 149093714034 298187428068