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12510432442000 = 24536255216221
BaseRepresentation
bin1011011000001100111111…
…1000011011011010010000
31122021222121112202210001201
42312003033320123122100
53114432331201121000
642335114024440544
72430564115124563
oct266031770333220
948258545683051
1012510432442000
113a9370aa70399
1214a0732619154
136c9961cb7a5c
143137185724da
1516a65988296a
hexb60cfe1b690

12510432442000 has 40 divisors (see below), whose sum is σ = 30250225649592. Its totient is φ = 5004172976000.

The previous prime is 12510432441977. The next prime is 12510432442033. The reversal of 12510432442000 is 24423401521.

12510432442000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 120033936 + 12510312408064 = 10956^2 + 3536992^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×125104324420003 (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12510432442000.

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, 3127606111 + ... + 3127610110.

Almost surely, 212510432442000 is an apocalyptic number.

12510432442000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12510432442000 is an abundant number, since it is smaller than the sum of its proper divisors (17739793207592).

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

12510432442000 is an equidigital number, since it uses as much as digits as its factorization.

12510432442000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255216244 (or 6255216228 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 12510432442000 its reverse (24423401521), we get a palindrome (12534855843521).

The spelling of 12510432442000 in words is "twelve trillion, five hundred ten billion, four hundred thirty-two million, four hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 6255216221 12510432442 25020864884 31276081105 50041729768 62552162210 100083459536 125104324420 156380405525 250208648840 312760811050 500417297680 625521622100 781902027625 1251043244200 1563804055250 2502086488400 3127608110500 6255216221000 12510432442000