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12446705377 = 13989544643
BaseRepresentation
bin10111001011110000…
…11010011011100001
31012010102200010221001
423211320122123201
5200442324033002
65415024032001
7620304151531
oct134570323341
935112603831
1012446705377
115307927a77
1224b4462601
131234879a32
1486109d4c1
154ccaaca87
hex2e5e1a6e1

12446705377 has 4 divisors (see below), whose sum is σ = 12536250160. Its totient is φ = 12357160596.

The previous prime is 12446705371. The next prime is 12446705387. The reversal of 12446705377 is 77350764421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12446705377 - 219 = 12446181089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12446705371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44772183 + ... + 44772460.

It is an arithmetic number, because the mean of its divisors is an integer number (3134062540).

Almost surely, 212446705377 is an apocalyptic number.

It is an amenable number.

12446705377 is a deficient number, since it is larger than the sum of its proper divisors (89544783).

12446705377 is an equidigital number, since it uses as much as digits as its factorization.

12446705377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89544782.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 12446705377 in words is "twelve billion, four hundred forty-six million, seven hundred five thousand, three hundred seventy-seven".

Divisors: 1 139 89544643 12446705377