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12143442440403 = 3219750913455979
BaseRepresentation
bin1011000010110101110110…
…0100101011000011010011
31120222220100101100002000100
42300231131210223003103
53042424232231043103
641454342003223443
72362222552440141
oct260553544530323
946886311302010
1012143442440403
11396200675140a
121441592377b83
136a1177516c61
142dda624a4591
15160d2ae7e5a3
hexb0b5d92b0d3

12143442440403 has 24 divisors (see below), whose sum is σ = 17664203185200. Its totient is φ = 8038708905024.

The previous prime is 12143442440341. The next prime is 12143442440431. The reversal of 12143442440403 is 30404424434121.

12143442440403 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 3 + 4 + 4 + 244 + 0 + 403 = 666.

12143442440403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12143442440403 - 214 = 12143442424019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12143442440803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5825533 + ... + 7630446.

It is an arithmetic number, because the mean of its divisors is an integer number (736008466050).

Almost surely, 212143442440403 is an apocalyptic number.

12143442440403 is a deficient number, since it is larger than the sum of its proper divisors (5520760744797).

12143442440403 is a wasteful number, since it uses less digits than its factorization.

12143442440403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13456691 (or 13456688 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 12143442440403 its reverse (30404424434121), we get a palindrome (42547866874524).

The spelling of 12143442440403 in words is "twelve trillion, one hundred forty-three billion, four hundred forty-two million, four hundred forty thousand, four hundred three".

Divisors: 1 3 9 197 509 591 1527 1773 4581 100273 300819 902457 13455979 40367937 121103811 2650827863 6849093311 7952483589 20547279933 23857450767 61641839799 1349271382267 4047814146801 12143442440403