Search a number
-
+
19675608228 = 2232796918287
BaseRepresentation
bin10010010100110000…
…011111010010100100
31212210020010110101200
4102110300133102210
5310243423430403
613012220322500
71264402624203
oct222460372244
955706113350
1019675608228
118387405751
1239913a3430
131b17419743
14d491a323a
157a253eca3
hex494c1f4a4

19675608228 has 36 divisors (see below), whose sum is σ = 50365136640. Its totient is φ = 6475515696.

The previous prime is 19675608187. The next prime is 19675608229. The reversal of 19675608228 is 82280657691.

19675608228 is a `hidden beast` number, since 1 + 9 + 6 + 7 + 5 + 608 + 2 + 28 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (19675608229) 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, 3456300 + ... + 3461987.

Almost surely, 219675608228 is an apocalyptic number.

19675608228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19675608228 is an abundant number, since it is smaller than the sum of its proper divisors (30689528412).

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

19675608228 is a wasteful number, since it uses less digits than its factorization.

19675608228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6918376 (or 6918371 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 19675608228 in words is "nineteen billion, six hundred seventy-five million, six hundred eight thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 79 158 237 316 474 711 948 1422 2844 6918287 13836574 20754861 27673148 41509722 62264583 83019444 124529166 249058332 546544673 1093089346 1639634019 2186178692 3279268038 4918902057 6558536076 9837804114 19675608228