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13102221003020 = 22523311795133013
BaseRepresentation
bin1011111010101001100100…
…1110101000100100001100
31201101120010022100111220022
42332222121032220210030
53204131322034044040
643511024403241312
72521414151653352
oct276523116504414
951346108314808
1013102221003020
1141a1691200286
12157736b379238
137406c3671316
1433421802d7d2
1517ac4388b6b5
hexbea993a890c

13102221003020 has 96 divisors (see below), whose sum is σ = 29802689925120. Its totient is φ = 4824209998080.

The previous prime is 13102221002947. The next prime is 13102221003023. The reversal of 13102221003020 is 2030012220131.

It is a self number, because there is not a number n which added to its sum of digits gives 13102221003020.

It is not an unprimeable number, because it can be changed into a prime (13102221003023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13967 + ... + 5119046.

It is an arithmetic number, because the mean of its divisors is an integer number (310444686720).

Almost surely, 213102221003020 is an apocalyptic number.

13102221003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13102221003020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14901344962560).

13102221003020 is an abundant number, since it is smaller than the sum of its proper divisors (16700468922100).

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

13102221003020 is a wasteful number, since it uses less digits than its factorization.

13102221003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133255 (or 5133253 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13102221003020 its reverse (2030012220131), we get a palindrome (15132233223151).

The spelling of 13102221003020 in words is "thirteen trillion, one hundred two billion, two hundred twenty-one million, three thousand, twenty".

Divisors: 1 2 4 5 10 20 23 31 46 62 92 115 124 155 179 230 310 358 460 620 713 716 895 1426 1790 2852 3565 3580 4117 5549 7130 8234 11098 14260 16468 20585 22196 27745 41170 55490 82340 110980 127627 255254 510508 638135 1276270 2552540 5133013 10266026 20532052 25665065 51330130 102660260 118059299 159123403 236118598 318246806 472237196 590296495 636493612 795617015 918809327 1180592990 1591234030 1837618654 2361185980 3182468060 3659838269 3675237308 4594046635 7319676538 9188093270 14639353076 18299191345 18376186540 21132614521 28483089137 36598382690 42265229042 56966178274 73196765380 84530458084 105663072605 113932356548 142415445685 211326145210 284830891370 422652290420 569661782740 655111050151 1310222100302 2620444200604 3275555250755 6551110501510 13102221003020