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13201231520304 = 2433130723380571
BaseRepresentation
bin1100000000011010011010…
…1101110010001000110000
31201202000200112002221001000
43000012212231302020300
53212242110232122204
644024321222242000
72531520552323532
oct300064655621060
951660615087030
1013201231520304
11422a67a046373
1215925a1886300
13749b42186a19
14338d2b8bd852
1517d5dacc1039
hexc01a6b72230

13201231520304 has 80 divisors (see below), whose sum is σ = 37921417338240. Its totient is φ = 4397043516480.

The previous prime is 13201231520303. The next prime is 13201231520311. The reversal of 13201231520304 is 40302513210231.

13201231520304 is a `hidden beast` number, since 1 + 3 + 20 + 1 + 2 + 315 + 20 + 304 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13201231520303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11125662 + ... + 12254909.

It is an arithmetic number, because the mean of its divisors is an integer number (474017716728).

Almost surely, 213201231520304 is an apocalyptic number.

It is an amenable number.

13201231520304 is an abundant number, since it is smaller than the sum of its proper divisors (24720185817936).

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

13201231520304 is a wasteful number, since it uses less digits than its factorization.

13201231520304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23381895 (or 23381883 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 13201231520304 its reverse (40302513210231), we get a palindrome (53503744730535).

The spelling of 13201231520304 in words is "thirteen trillion, two hundred one billion, two hundred thirty-one million, five hundred twenty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 1307 2614 3921 5228 7842 10456 11763 15684 20912 23526 31368 35289 47052 62736 70578 94104 141156 188208 282312 564624 23380571 46761142 70141713 93522284 140283426 187044568 210425139 280566852 374089136 420850278 561133704 631275417 841700556 1122267408 1262550834 1683401112 2525101668 3366802224 5050203336 10100406672 30558406297 61116812594 91675218891 122233625188 183350437782 244467250376 275025656673 366700875564 488934500752 550051313346 733401751128 825076970019 1100102626692 1466803502256 1650153940038 2200205253384 3300307880076 4400410506768 6600615760152 13201231520304