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12942653473 = 16777500919
BaseRepresentation
bin11000000110111000…
…10011100000100001
31020101222212220211001
430003130103200201
5203001304402343
65540141552001
7635505511411
oct140334234041
936358786731
1012942653473
115541877132
122612575601
1312b3543749
148aacbc641
1550b3c544d
hex303713821

12942653473 has 4 divisors (see below), whose sum is σ = 13020154560. Its totient is φ = 12865152388.

The previous prime is 12942653461. The next prime is 12942653489. The reversal of 12942653473 is 37435624921.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37435624921 = 239915604679.

It is a cyclic number.

It is not a de Polignac number, because 12942653473 - 25 = 12942653441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12942653443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38750293 + ... + 38750626.

It is an arithmetic number, because the mean of its divisors is an integer number (3255038640).

Almost surely, 212942653473 is an apocalyptic number.

It is an amenable number.

12942653473 is a deficient number, since it is larger than the sum of its proper divisors (77501087).

12942653473 is an equidigital number, since it uses as much as digits as its factorization.

12942653473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77501086.

The product of its digits is 1088640, while the sum is 46.

The spelling of 12942653473 in words is "twelve billion, nine hundred forty-two million, six hundred fifty-three thousand, four hundred seventy-three".

Divisors: 1 167 77500919 12942653473