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1318300320012 = 223138450643077
BaseRepresentation
bin10011001011110000110…
…100101000000100001100
311200000202121122000212020
4103023300310220010030
5133044334340220022
62445341355010140
7164146465555134
oct23136064500414
94600677560766
101318300320012
114690a7187505
121935b4139950
1397413608370
1447b3dc2dac4
152445a85235c
hex132f0d2810c

1318300320012 has 24 divisors (see below), whose sum is σ = 3312652086576. Its totient is φ = 405630867648.

The previous prime is 1318300319977. The next prime is 1318300320061. The reversal of 1318300320012 is 2100230038131.

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, 4225321383 + ... + 4225321694.

It is an arithmetic number, because the mean of its divisors is an integer number (138027170274).

Almost surely, 21318300320012 is an apocalyptic number.

1318300320012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1318300320012 is an abundant number, since it is smaller than the sum of its proper divisors (1994351766564).

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

1318300320012 is a wasteful number, since it uses less digits than its factorization.

1318300320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450643097 (or 8450643095 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1318300320012 its reverse (2100230038131), we get a palindrome (3418530358143).

The spelling of 1318300320012 in words is "one trillion, three hundred eighteen billion, three hundred million, three hundred twenty thousand, twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 8450643077 16901286154 25351929231 33802572308 50703858462 101407716924 109858360001 219716720002 329575080003 439433440004 659150160006 1318300320012