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13311001122220 = 2253940991688789
BaseRepresentation
bin1100000110110011010101…
…1111100101010110101100
31202010112000112222110122201
43001230311133211112230
53221041412241402340
644150553421551244
72542455005462464
oct301546537452654
952115015873581
1013311001122220
114272189130a3a
1215ab917415524
137572b6a153a9
1434038224aba4
151813b2a5779a
hexc1b357e55ac

13311001122220 has 24 divisors (see below), whose sum is σ = 27953189838000. Its totient is φ = 5324383785792.

The previous prime is 13311001122217. The next prime is 13311001122239. The reversal of 13311001122220 is 2222110011331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7037586 + ... + 8726374.

It is an arithmetic number, because the mean of its divisors is an integer number (1164716243250).

Almost surely, 213311001122220 is an apocalyptic number.

13311001122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311001122220 is an abundant number, since it is smaller than the sum of its proper divisors (14642188715780).

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

13311001122220 is a wasteful number, since it uses less digits than its factorization.

13311001122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082897 (or 2082895 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13311001122220 its reverse (2222110011331), we get a palindrome (15533111133551).

The spelling of 13311001122220 in words is "thirteen trillion, three hundred eleven billion, one million, one hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 394099 788198 1576396 1688789 1970495 3377578 3940990 6755156 7881980 8443945 16887890 33775780 665550056111 1331100112222 2662200224444 3327750280555 6655500561110 13311001122220