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13313203211220 = 2235113179806281
BaseRepresentation
bin1100000110111011100010…
…1111111000101111010100
31202010201201000121011212120
43001232320233320233110
53221110420010224340
644152000124215540
72542563405102153
oct301567057705724
952121630534776
1013313203211220
114273109158000
1215b023099a5b0
13757577cc8833
143405108ad59a
151814910384d0
hexc1bb8bf8bd4

13313203211220 has 192 divisors, whose sum is σ = 43413744068352. Its totient is φ = 3037593292800.

The previous prime is 13313203211183. The next prime is 13313203211249. The reversal of 13313203211220 is 2211230231331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3545521 + ... + 6260760.

It is an arithmetic number, because the mean of its divisors is an integer number (226113250356).

Almost surely, 213313203211220 is an apocalyptic number.

13313203211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13313203211220 is an abundant number, since it is smaller than the sum of its proper divisors (30100540857132).

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

13313203211220 is a wasteful number, since it uses less digits than its factorization.

13313203211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9806343 (or 9806319 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13313203211220 its reverse (2211230231331), we get a palindrome (15524433442551).

The spelling of 13313203211220 in words is "thirteen trillion, three hundred thirteen billion, two hundred three million, two hundred eleven thousand, two hundred twenty".