Base | Representation |
---|---|
bin | 1011100110100101000110… |
… | …1010101100101101001001 |
3 | 1200011121010202002222212112 |
4 | 2321221101222230231021 |
5 | 3133004200243014102 |
6 | 43044402413552105 |
7 | 2454456556305065 |
oct | 271512152545511 |
9 | 50147122088775 |
10 | 12757423016777 |
11 | 407943578695a |
12 | 15205831a5635 |
13 | 71703474235a |
14 | 321669406aa5 |
15 | 171cb3395252 |
hex | b9a51aacb49 |
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".
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