Search a number
-
+
245349523552068 = 2232132566720425103
BaseRepresentation
bin110111110010010011100011…
…001100100111011101000100
31012011201012000010220022222100
4313302103203030213131010
5224124301311012131233
62225452003133032100
7102451626625326645
oct6762234314473504
91164635003808870
10245349523552068
11711a316a883901
122362646b025630
13a6b948c88c260
144482da1d336cc
151d571867bb813
hexdf24e3327744

245349523552068 has 72 divisors (see below), whose sum is σ = 667921979507328. Its totient is φ = 75489216182208.

The previous prime is 245349523551997. The next prime is 245349523552087. The reversal of 245349523552068 is 860255325943542.

245349523552068 is a `hidden beast` number, since 2 + 4 + 5 + 3 + 49 + 5 + 2 + 3 + 5 + 520 + 68 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 245349523551996 and 245349523552014.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1799605 + ... + 22224707.

It is an arithmetic number, because the mean of its divisors is an integer number (9276694159824).

Almost surely, 2245349523552068 is an apocalyptic number.

It is an amenable number.

245349523552068 is an abundant number, since it is smaller than the sum of its proper divisors (422572455955260).

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

245349523552068 is a wasteful number, since it uses less digits than its factorization.

245349523552068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20450793 (or 20450788 counting only the distinct ones).

The product of its (nonzero) digits is 311040000, while the sum is 63.

The spelling of 245349523552068 in words is "two hundred forty-five trillion, three hundred forty-nine billion, five hundred twenty-three million, five hundred fifty-two thousand, sixty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 25667 51334 77001 102668 154002 231003 308004 333671 462006 667342 924012 1001013 1334684 2002026 3003039 4004052 6006078 12012156 20425103 40850206 61275309 81700412 122550618 183825927 245101236 265526339 367651854 531052678 735303708 796579017 1062105356 1593158034 2389737051 3186316068 4779474102 9558948204 524251118701 1048502237402 1572753356103 2097004474804 3145506712206 4718260068309 6291013424412 6815264543113 9436520136618 13630529086226 18873040273236 20445793629339 27261058172452 40891587258678 61337380888017 81783174517356 122674761776034 245349523552068