Search a number
-
+
13155243310005 = 35172231031280987
BaseRepresentation
bin1011111101101111000110…
…0110101011101110110101
31201120121222112011210021220
42333123301212223232311
53211013414241410010
643551234011300553
72525302123066626
oct277336146535665
951517875153256
1013155243310005
11421211a98a2a5
1215856a844a759
137456c3605a74
14336a07cd1a4d
1517c2e872e970
hexbf6f19abbb5

13155243310005 has 96 divisors (see below), whose sum is σ = 23558045681664. Its totient is φ = 6254982902784.

The previous prime is 13155243310003. The next prime is 13155243310009. The reversal of 13155243310005 is 50001334255131.

It is not a de Polignac number, because 13155243310005 - 21 = 13155243310003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155243310003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9629122 + ... + 10910108.

It is an arithmetic number, because the mean of its divisors is an integer number (245396309184).

Almost surely, 213155243310005 is an apocalyptic number.

13155243310005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13155243310005 is a deficient number, since it is larger than the sum of its proper divisors (10402802371659).

13155243310005 is a wasteful number, since it uses less digits than its factorization.

13155243310005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281155 (or 1281138 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 13155243310005 its reverse (50001334255131), we get a palindrome (63156577565136).

The spelling of 13155243310005 in words is "thirteen trillion, one hundred fifty-five billion, two hundred forty-three million, three hundred ten thousand, five".

Divisors: 1 3 5 15 17 23 51 69 85 103 115 255 289 309 345 391 515 867 1173 1445 1545 1751 1955 2369 4335 5253 5865 6647 7107 8755 11845 19941 26265 29767 33235 35535 40273 89301 99705 120819 148835 201365 446505 604095 684641 1280987 2053923 3423205 3842961 6404935 10269615 19214805 21776779 29462701 65330337 88388103 108883895 131941661 147313505 326651685 370205243 395824983 441940515 500865917 659708305 1110615729 1502597751 1851026215 1979124915 2243008237 2504329585 3034658203 5553078645 6729024711 7512988755 8514720589 9103974609 11215041185 15173291015 25544161767 33645123555 38131140029 42573602945 45519873045 51589189451 114393420087 127720808835 154767568353 190655700145 257945947255 571967100435 773837841765 877016220667 2631048662001 4385081103335 13155243310005