Search a number
-
+
6608013381 = 327179223587
BaseRepresentation
bin1100010011101111…
…00100100001000101
3122001112010212020100
412021313210201011
5102013122412011
63011412354313
7322516121064
oct61167444105
918045125210
106608013381
112891062292
121345015999
1381403bbb8
144698801db
1528a1d9d56
hex189de4845

6608013381 has 48 divisors (see below), whose sum is σ = 9862594560. Its totient is φ = 4261813920.

The previous prime is 6608013343. The next prime is 6608013383. The reversal of 6608013381 is 1833108066.

6608013381 is a `hidden beast` number, since 6 + 608 + 0 + 13 + 38 + 1 = 666.

It is not a de Polignac number, because 6608013381 - 27 = 6608013253 is a prime.

It is a super-3 number, since 3×66080133813 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6608013383) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11256970 + ... + 11257556.

It is an arithmetic number, because the mean of its divisors is an integer number (205470720).

Almost surely, 26608013381 is an apocalyptic number.

It is an amenable number.

6608013381 is a deficient number, since it is larger than the sum of its proper divisors (3254581179).

6608013381 is a wasteful number, since it uses less digits than its factorization.

6608013381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 6608013381 is about 81289.6880360603. The cubic root of 6608013381 is about 1876.5363058771.

The spelling of 6608013381 in words is "six billion, six hundred eight million, thirteen thousand, three hundred eighty-one".

Divisors: 1 3 9 71 79 213 223 237 587 639 669 711 1761 2007 5283 5609 15833 16827 17617 41677 46373 47499 50481 52851 125031 130901 139119 142497 158553 375093 392703 417357 1178109 1250807 3292483 3752421 9293971 9877449 10341179 11257263 27881913 29632347 31023537 83645739 93070611 734223709 2202671127 6608013381