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12757423016777 = 34351371384327
BaseRepresentation
bin1011100110100101000110…
…1010101100101101001001
31200011121010202002222212112
42321221101222230231021
53133004200243014102
643044402413552105
72454456556305065
oct271512152545511
950147122088775
1012757423016777
11407943578695a
1215205831a5635
1371703474235a
14321669406aa5
15171cb3395252
hexb9a51aacb49

12757423016777 has 4 divisors (see below), whose sum is σ = 12757794435456. Its totient is φ = 12757051598100.

The previous prime is 12757423016759. The next prime is 12757423016801. The reversal of 12757423016777 is 77761032475721.

12757423016777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12757423016777 - 220 = 12757421968201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12757423016707) 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, 185657813 + ... + 185726514.

It is an arithmetic number, because the mean of its divisors is an integer number (3189448608864).

Almost surely, 212757423016777 is an apocalyptic number.

It is an amenable number.

12757423016777 is a deficient number, since it is larger than the sum of its proper divisors (371418679).

12757423016777 is an equidigital number, since it uses as much as digits as its factorization.

12757423016777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371418678.

The product of its (nonzero) digits is 24202080, while the sum is 59.

The spelling of 12757423016777 in words is "twelve trillion, seven hundred fifty-seven billion, four hundred twenty-three million, sixteen thousand, seven hundred seventy-seven".

Divisors: 1 34351 371384327 12757423016777