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13138467473530 = 257209771894749
BaseRepresentation
bin1011111100110000100110…
…1011111100100001111010
31201112000200101110222221001
42333030021223330201322
53210230040133123110
643535421215035214
72524136320612450
oct277141153744172
951460611428831
1013138467473530
114205aa1408033
1215823a620bb0a
13743c4bbaa1c9
14335c95cc49d0
1517bb65a8663a
hexbf309afc87a

13138467473530 has 32 divisors (see below), whose sum is σ = 27027863568000. Its totient is φ = 4504590911040.

The previous prime is 13138467473519. The next prime is 13138467473531. The reversal of 13138467473530 is 3537476483131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13138467473531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14236596 + ... + 15131344.

It is an arithmetic number, because the mean of its divisors is an integer number (844620736500).

Almost surely, 213138467473530 is an apocalyptic number.

13138467473530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13138467473530 is an abundant number, since it is smaller than the sum of its proper divisors (13889396094470).

13138467473530 is a wasteful number, since it uses less digits than its factorization.

13138467473530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104534.

The product of its (nonzero) digits is 15240960, while the sum is 55.

The spelling of 13138467473530 in words is "thirteen trillion, one hundred thirty-eight billion, four hundred sixty-seven million, four hundred seventy-three thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 209771 419542 894749 1048855 1468397 1789498 2097710 2936794 4473745 6263243 7341985 8947490 12526486 14683970 31316215 62632430 187692392479 375384784958 938461962395 1313846747353 1876923924790 2627693494706 6569233736765 13138467473530