Search a number
-
+
13065613441215 = 354751929356887
BaseRepresentation
bin1011111000100001001100…
…1111110111100010111111
31201021001122001202200201220
42332020103033313202333
53203031334020104330
643442132052204423
72515650036554046
oct276102317674277
951231561680656
1013065613441215
114188106193275
121570253609713
1373a10b397a4a
1433254422155d
15179ceeb16710
hexbe2133f78bf

13065613441215 has 32 divisors (see below), whose sum is σ = 21350239303680. Its totient is φ = 6819914444544.

The previous prime is 13065613441189. The next prime is 13065613441253. The reversal of 13065613441215 is 51214431656031.

It is not a de Polignac number, because 13065613441215 - 25 = 13065613441183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36431502 + ... + 36788388.

It is an arithmetic number, because the mean of its divisors is an integer number (667194978240).

Almost surely, 213065613441215 is an apocalyptic number.

13065613441215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13065613441215 is a deficient number, since it is larger than the sum of its proper divisors (8284625862465).

13065613441215 is a wasteful number, since it uses less digits than its factorization.

13065613441215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408871.

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 13065613441215 in words is "thirteen trillion, sixty-five billion, six hundred thirteen million, four hundred forty-one thousand, two hundred fifteen".

Divisors: 1 3 5 15 47 141 235 705 51929 155787 259645 356887 778935 1070661 1784435 2440663 5353305 7321989 12203315 16773689 36609945 50321067 83868445 251605335 18532785023 55598355069 92663925115 277991775345 871040896081 2613122688243 4355204480405 13065613441215