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13111233202020 = 22351991098093233
BaseRepresentation
bin1011111011001011001001…
…1001011100011101100100
31201102102101101101122210110
42332302302121130131210
53204303301144431040
643515114542053020
72522153403253122
oct276626231343544
951372341348713
1013111233202020
1141a5496373828
12157906557a170
137414cb803055
14334830cdc912
1517b0beb77980
hexbecb265c764

13111233202020 has 48 divisors (see below), whose sum is σ = 36895932662400. Its totient is φ = 3478759358976.

The previous prime is 13111233202009. The next prime is 13111233202051. The reversal of 13111233202020 is 2020233211131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549034677 + ... + 549058556.

It is an arithmetic number, because the mean of its divisors is an integer number (768665263800).

Almost surely, 213111233202020 is an apocalyptic number.

13111233202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13111233202020 is an abundant number, since it is smaller than the sum of its proper divisors (23784699460380).

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

13111233202020 is a wasteful number, since it uses less digits than its factorization.

13111233202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098093444 (or 1098093442 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13111233202020 its reverse (2020233211131), we get a palindrome (15131466413151).

The spelling of 13111233202020 in words is "thirteen trillion, one hundred eleven billion, two hundred thirty-three million, two hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 199 398 597 796 995 1194 1990 2388 2985 3980 5970 11940 1098093233 2196186466 3294279699 4392372932 5490466165 6588559398 10980932330 13177118796 16471398495 21961864660 32942796990 65885593980 218520553367 437041106734 655561660101 874082213468 1092602766835 1311123320202 2185205533670 2622246640404 3277808300505 4370411067340 6555616601010 13111233202020