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12528207195504 = 2437111331103127643
BaseRepresentation
bin1011011001001111001101…
…0101101110110101110000
31122100200111022002210222120
42312103303111232311300
53120230232020224004
642351213503234240
72432063440052430
oct266236325566560
948320438083876
1012528207195504
113aa0201396820
1214a40732a8980
136cb535661890
143145230c82c0
1516ad4a0963d9
hexb64f356ed70

12528207195504 has 1280 divisors, whose sum is σ = 45719356440576. Its totient is φ = 2851540070400.

The previous prime is 12528207195503. The next prime is 12528207195593. The reversal of 12528207195504 is 40559170282521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12528207195503) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 19483992207 + ... + 19483992849.

Almost surely, 212528207195504 is an apocalyptic number.

12528207195504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12528207195504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22859678220288).

12528207195504 is an abundant number, since it is smaller than the sum of its proper divisors (33191149245072).

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

12528207195504 is a wasteful number, since it uses less digits than its factorization.

12528207195504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 51.

The spelling of 12528207195504 in words is "twelve trillion, five hundred twenty-eight billion, two hundred seven million, one hundred ninety-five thousand, five hundred four".