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13311422220 = 2235713124747
BaseRepresentation
bin11000110010110110…
…00010111100001100
31021100200210022102210
430121123002330030
5204230211002340
610040513550420
7650604136065
oct143133027414
937320708383
1013311422220
115710a50598
1226b5b75410
131341a6b7c5
14903c7356c
1552d96a180
hex3196c2f0c

13311422220 has 48 divisors (see below), whose sum is σ = 37796951808. Its totient is φ = 3499715520.

The previous prime is 13311422219. The next prime is 13311422251. The reversal of 13311422220 is 2222411331.

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, 1558114 + ... + 1566633.

It is an arithmetic number, because the mean of its divisors is an integer number (787436496).

Almost surely, 213311422220 is an apocalyptic number.

13311422220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13311422220 is an abundant number, since it is smaller than the sum of its proper divisors (24485529588).

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

13311422220 is a wasteful number, since it uses less digits than its factorization.

13311422220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3124830 (or 3124828 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13311422220 its reverse (2222411331), we get a palindrome (15533833551).

The spelling of 13311422220 in words is "thirteen billion, three hundred eleven million, four hundred twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 4260 3124747 6249494 9374241 12498988 15623735 18748482 31247470 37496964 46871205 62494940 93742410 187484820 221857037 443714074 665571111 887428148 1109285185 1331142222 2218570370 2662284444 3327855555 4437140740 6655711110 13311422220