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12446375983 is a prime number
BaseRepresentation
bin10111001011101110…
…01010000000101111
31012010102001102002021
423211313022000233
5200442233012413
65415013011011
7620301310306
oct134567120057
935112042067
1012446375983
115307722548
1224b4323a67
131234792b22
1486101543d
154cca4518d
hex2e5dca02f

12446375983 has 2 divisors, whose sum is σ = 12446375984. Its totient is φ = 12446375982.

The previous prime is 12446375959. The next prime is 12446376029. The reversal of 12446375983 is 38957364421.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (38957364421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12446375983 - 25 = 12446375951 is a prime.

It is a super-2 number, since 2×124463759832 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12446375983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12446375083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6223187991 + 6223187992.

It is an arithmetic number, because the mean of its divisors is an integer number (6223187992).

Almost surely, 212446375983 is an apocalyptic number.

12446375983 is a deficient number, since it is larger than the sum of its proper divisors (1).

12446375983 is an equidigital number, since it uses as much as digits as its factorization.

12446375983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The spelling of 12446375983 in words is "twelve billion, four hundred forty-six million, three hundred seventy-five thousand, nine hundred eighty-three".